What the P0344 code means. When the P0344 code is stored, it indicates that the signal from the camshaft position sensor has been interrupted. This sensor measures the rotational position of the camshaft as it relates to the crankshaft. Data from the camshaft position sensor is used to control fuel injector timing and ignition spark.If you’re stocking a home bar for the first time, or you’re wondering why you never seem to have just the right ingredients to mix good, staple drinks at home, this video will help...38 posts · Joined 2017. #1 · Feb 14, 2018. Hello, I have a 2007 Commander Limited with the 4.7L engine. I intermittently get the P0340 code. Camshaft Position Sensor Bank 1 Sensor 1. Engine jumps on hard acceleration. Ive changed out the sensor before with a sensor from Autozone (maybe my 1st mistake) and it ran great for about a month.Jul 15, 2022 · Camshaft Position Cam Sensor 917-727 Jeep Cherokee G... This jeep was very hard to start and the scan tool readings were showing out-of-sync cam/crank readings. Camshaft Position Cam Sensor 917 ... 7.59K subscribers. 577. 6.3K views 6 months ago. I see this code often on all different kinds of cars and sometimes yes it's the camshaft sensor and then sometimes …I've played with the air gap this morning (it's 40 degrees). Backed it up approx. flush with the housing and it fixed the long crank and the p0340 was gone, but the p0344 and rev limiter was still present. Continued backing it out till it was countersunk (approx .050 gap) and it cranks right up and no codes.So, I decided to replace the old sensor with the new one that came with the new OPDA. After that, the test drive was much better - the problem was gone. In order to clear the check engine light and codes (P0344/P0340) I disconnected the …So, I decided to replace the old sensor with the new one that came with the new OPDA. After that, the test drive was much better - the problem was gone. In order to clear the check engine light and codes (P0344/P0340) I disconnected the …Mar 30, 2024 · To diagnose the P0340 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. The vehicle being tested is 2010 Jeep Wrangler but the tests shown in the video apply to hall effect type cam, crank and speed sensors. Video Breakdown:Intr...Mar 30, 2024 · To diagnose the P0340 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Puede haber varias causas para la aparición de un código DTC P0340 Jeep en un automóvil. Puede haber varias causas, como: Bajo nivel de aceite del motor. Sensor de posición del árbol de levas (CMP) defectuoso. Haz del sensor de posición del árbol de levas abierto o en cortocircuito. Mala conexión eléctrica en el circuito del sensor de ... JEEP COMPASS RENEGADE CODE P0340 P0341 P0342 P0343 CAMSHAFT POSITION SENSORIf you Jeep Compass or Jeep Renegade and you have engine light on and code P0340, ...I switched the ignition key back and forth three times and got the code P0340, which is the same code that a year ago the dealership told me we were dealing with. P0340 is a camshaft position sensor circuit malfunction. ... The jeep seems to run fine so i'm hesitant to take it into a dealership after reading posts like above. 2004 TJ Rubicon .What I am getting thu is every time I hear the click on start up is the engine check light comes on and stays on and the car lacks power , I connect my scan code reader tool and it brings up code fault P0340 and has also brought up code fault P0365 once before , which relates to the cam sensor bank 1 , I then clear the fault using scan tool and ...Sep 16, 2014 · 4880 posts · Joined 2011. #2 · Sep 16, 2014. Since P0340 is no cam signal I would concentrate on the cam sensor & so called synchronizer. Without a cam signal the PCM won't send a spark signal to the coils. Make sure it is turning when you crank the engine. The pulse ring (half circle part) needs to be checked. Get a high end scanner here http://amzn.to/2t5oM5e Today i'm working on my 2003 Jeep Tj Wrangler. I had recently De-supercharged the Jeep and have been loo...38 posts · Joined 2017. #1 · Feb 14, 2018. Hello, I have a 2007 Commander Limited with the 4.7L engine. I intermittently get the P0340 code. Camshaft Position Sensor Bank 1 Sensor 1. Engine jumps on hard acceleration. Ive changed out the sensor before with a sensor from Autozone (maybe my 1st mistake) and it ran great for about a month.CODE P0340 P0365 CAMSHAFT POSITION CMP SENSOR CIRCUIT BANK 1 SENSOR 1 SENSOR 2 DODGE JEEP CHRYSLERIf you have a Dodge, Chrysler, Jeep, or Fiat and you …If either the CKP or CMP Sensor signals are absent during engine cranking, a Diagnostic Trouble Code (DTC) is recorded, and the Malfunction Indicator Lamp (MIL) lights up. 1995 through 2003 Chrysler 2.0L - 2.4L engine cam sensor replacement. P0340 no start check engine light. 2003 Chrysler Neon 2.0L engine. User Submitted Video.There are seven Jeep models as of 2015, including the Compass, Cherokee, Grand Cherokee and Patriot. The other models are the Wrangler, Wrangler Unlimited and the Renegade. Each Je...Identificando e apagando código de defeito P0340 com o FCAR18-015-09. Title: Flash: MIL Illumination Due To Diagnostic Trouble Code P0340 Or P0344. Date: 5/9/2009. Models: 2005-2006Wrangler. Summary: The software contains the following improvements for all customers: A MIL illumination for P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1; A MIL illumination for P0344 - Camshaft Position ...Définition du code défaut P0340?Quelles sont les causes du code défaut P0340?Quels sont les symptômes du code P0340?Le site Web: https://www.simoauto.comLien...The first time it happened I was going uphill and my jeep just started lacking power. It would only go about 40 mph up the mountain. Check engine light flashes for a few seconds then stays solid. Read the codes and it shows a p0340 (camshaft position sensor) code. I replaced the cps with a mopar sensor and the light went away, everything seemed ...The causes of P0340 in the Jeep Cherokee can vary and go beyond the camshaft position sensor itself. Some possible causes include: A faulty camshaft position sensor. Damaged or corroded wiring and connectors. Timing chain or belt issues. Mechanical problems with the camshaft or crankshaft. Problems with the powertrain control module (PCM)Hola tengo un problema con mi jeep wrangler, hace aproximadamente un mes,le instale el pedal boss y hoy se me prendio el check y se acelera solo, le retire el pedal boss y sigue igual , enciendo el je…OPDA sensor P0340 P0344. I have a 2006 Wrangler with 90k miles. I decided to preemptively change the factory OPDA for a Crown OPDA. The Crown worked fine for a week and then would not start and threw a P0340 code. I ordered a Mopar sensor after reading the Crown sensors were known to fail. The Jeep started right up, but had a …7235 posts · Joined 2007. #4 · Feb 2, 2016. Many of the parts stores refer to them as ignition or distributor pickup, and I think even the Jeep parts list describes it similarly. The FSM I think refers to it as a cam position (CMP) sensor. Whatever way it's described it's what the p0340 code refers to. 97 TJ 4.0L Sport.I followed up with the fact that it had been repaired and the problem, as stated by members here on the forum was Crankshaft Position Sensor. So, I have the Jeep back home and it starts good but it came up with a check engine light yesterday. I used the ignition switch check and determined the code as P0340.CHANGING THE CAMSHAFT POSITION SENSOR 3.8L WRANGLER - ERROR CODE P0340BUY THE PART ON AMAZON:https://amzn.to/3tP55O0Tools needed:10mm socket and wrench with ...1996 JEEP CHEROKEE. 6 CYL. 4WD. AUTOMATIC. 47,300 MILES. I have a 96 cherokee 4.0 4wd 47,300mi. My check engine light is on and my jeep starts and drive but them shuts down as I am driving. I used my code scaner obd2 and I get this code P0340 camshaft position sensor A circuit ( bank 1 or single sensor) I REPLACED THE DISTRIBUTOR …The Jeep Wrangler is a car that bills itself on its fearless character. Jeep has sought to portray the car as the ultimate vehicle for adventure seekers who love exploring the unch...Possible fix for P0340. Just wanted to add my two cents. My jeep (2000 JGC, 4.0L) stalled and wouldn't start, I got the P0340, P0351, P0352, P0353 diagnostic …Error code P0340 indicates issues with your camshaft position sensor and is often accompanied by error codes P0341-P0349, P0011-P0019, or P0335-P0339.F-Wave Roofing Shingles offers a superior product that offers benefits from other common shingles with none of the downsides that typically come with them. Expert Advice On Improvi...Identificando e apagando código de defeito P0340 com o FCARIn this video, we successfully troubleshoot and solved multiple Camshaft Position Sensor's DTC Codes on a Jeep Wrangler 2013 JK. Details of the codes belo...Nov 8, 2018 · The causes of P0340 in the Jeep Renegade can vary and go beyond the camshaft position sensor itself. Some possible causes include: A faulty camshaft position sensor. Damaged or corroded wiring and connectors. Timing chain or belt issues. Mechanical problems with the camshaft or crankshaft. Problems with the powertrain control module (PCM) Sirius satellite radio is available in many new cars, including Jaguar, Mazda, Ford, Jeep, Chrysler, Dodge, Mercedes-Benz, BMW, Volvo, Volkswagen and Audi vehicles. If your new car...P0340 99 jeep cherokee code. P0340 JEEP - Camshaft Position Sensor Circuit engine cylinder Bank 1 Sensor 1. Possible causes- Camshaft Position Sensor harness is open or shorted. - Camshaft Position Sensor circuit poor electrical connection. - Faulty Camshaft Position Sensor. - Faulty starter motor. - Starting system circuit. - Dead …12 days and 10 stages spanning 400km on jeep track, goat track...sometimes no track. IT SAYS SOMETHING about this race that none of the international riders who previously complete...97 jeep zj p0340 p0118 p0108 p0351 p0113 p0138 and stalls Hi first time poster with a 97 grand cherokee laredo 4.0 All codes read with a actron scan tool. No after market remote start or alarm. P0340 tps high voltage P0118 engine coolant sensor high voltage P0108 map high voltage P0351 coil primary circuit (no idea what that means..)38 posts · Joined 2017. #1 · Feb 14, 2018. Hello, I have a 2007 Commander Limited with the 4.7L engine. I intermittently get the P0340 code. Camshaft Position Sensor Bank 1 Sensor 1. Engine jumps on hard acceleration. Ive changed out the sensor before with a sensor from Autozone (maybe my 1st mistake) and it ran great for about a month.Jan 1, 2020 ... IS MY MOTOR TOAST? P0340 and P0344 Camshaft Position Sensor OPDA ( Jeep Wrangler TJ BUILD EP 11 ). 9K views · 4 years ago ...more ...One common cause of the P0340 code in your Dodge Ram is a defective camshaft position sensor. This sensor plays a crucial role in managing the engine’s ignition spark and fuel injection timing. If it fails or malfunctions, it can lead to rough idling, misfires, loss of power, and increased fuel consumption. It’s important to check the ...97 jeep zj p0340 p0118 p0108 p0351 p0113 p0138 and stalls Hi first time poster with a 97 grand cherokee laredo 4.0 All codes read with a actron scan tool. No after market remote start or alarm. P0340 tps high voltage P0118 engine coolant sensor high voltage P0108 map high voltage P0351 coil primary circuit (no idea what that means..)Post subject: P0340 Camshaft Position Sensor. Posted: Mon Aug 31, 2009 8:44 pm. LOST Junkie. Joined: Mon Mar 24, 2008 10:26 pm. Posts: 943. Location: West Coast, Canada. Anyone had this code before? I was reading somewhere that on a lot of common rail diesels, this sensor is only used during start-up.Te suministramos todo lo que necesitas saber sobre el código DTC P0340: ️ Descripción, ️ causas, ️ síntomas y ️ posibles soluciones.LEER SOLUCIÓN DEL CÓD...Whether you’re in the market for a mid-sized SUV or want to learn more about the Jeep brand, this simple guide will help you gain a basic understanding of the Jeep Grand Cherokee. ...April 18, 2020 by Jason. P0345 is a somewhat common and difficult trouble code to diagnose. The Jeep Wrangler is no exception to this rule. It indicates that there is an issue with the camshaft position sensor A on Bank 2. It is usually caused by a wiring problem or the CPS itself. OBDII P0345 means that there is a problem with the Camshaft ...Error code P0340 indicates issues with your camshaft position sensor and is often accompanied by error codes P0341-P0349, P0011-P0019, or P0335-P0339.Définition du code défaut P0340?Quelles sont les causes du code défaut P0340?Quels sont les symptômes du code P0340?Le site Web: https://www.simoauto.comLien...Aug 1, 2023 · 46340 posts · Joined 2012. #4 · Aug 1, 2023. What repairs can fix the P0340 code? Repairing or replacing the camshaft position sensor circuit wiring. Repairing or replacing the camshaft position sensor circuit connector. Replacing the camshaft position sensor. Replacing the crankshaft position sensor. If misfire codes are present, perform a ... Whether you’re in the market for a mid-sized SUV or want to learn more about the Jeep brand, this simple guide will help you gain a basic understanding of the Jeep Grand Cherokee. ...12 days and 10 stages spanning 400km on jeep track, goat track...sometimes no track. IT SAYS SOMETHING about this race that none of the international riders who previously complete...Mi Jeep Liberty me prende el check engine y parpadea 5 veces al prenderla, de repente al avanzar el nivel de gasolina me marca a reserva pero sigue andando sin problemas y el motor se escucha bien, so…What the P0340 code means . The camshaft position sensor calculates the rotational speed of the camshaft and where the camshaft is positioned in that rotation. The camshaft sensor sends a signal to the Power Control Module (PCM) to communicate this information. The PCM then uses the information collected by the camshaft position …P0340 Jeep How to fix a P0340 Jeep trouble code? A P0340 Jeep is a Camshaft Position Sensor Circuit Malfunction. That would lead you to believe that you’ve got a wiring problem to the camshaft position sensor. It may be a wiring problem.Puede haber varias causas para la aparición de un código DTC P0340 Jeep en un automóvil. Puede haber varias causas, como: Bajo nivel de aceite del motor. Sensor de posición del árbol de levas (CMP) defectuoso. Haz del sensor de posición del árbol de levas abierto o en cortocircuito. Mala conexión eléctrica en el circuito del sensor de ...P0340 is the code for a bad camshaft sensor. You can look up troubleshooting procedures or just take a chance that it is truely bad and get a new one. It usually is bad though. Like. E. EvanCarroll Discussion starter. 10 posts · Joined 2010. #4 · Nov 11, 2010. Not getting it.If either the CKP or CMP Sensor signals are absent during engine cranking, a Diagnostic Trouble Code (DTC) is recorded, and the Malfunction Indicator Lamp (MIL) lights up. 1995 through 2003 Chrysler 2.0L - 2.4L engine cam sensor replacement. P0340 no start check engine light. 2003 Chrysler Neon 2.0L engine. User Submitted Video.Aug 20, 2016 ... 2003 Jeep Liberty - Camshaft Position Sensor. 25K views · 7 years ago ...more. Home Shop Mechanic. 1.16K.P0340 (M) No Cam Signal At PCM No fuel sync. P0341 (M) Camshaft Position (CMP) Sensor. Signal. Problem with voltage signal from CMP. P0350 Ignition Coil Draws Too Much. Current. A coil (1-5) is drawing too much current. P0351 (M) Ignition Coil # 1 Primary Circuit Peak primary circuit current not achieved with maximum. dwell time.2006 TJ Doesn't want to start in the Cold and shows P0340. My 2006 Wrangler TJ needed a new CPS (Camshaft Position Sensor) when I first bought it. Changed it, no problems for a few months. It's been cooler out (down to 34°F). Jeep had a random misfire for a little while, changed plugs, still had code, didn't seem like a big deal.Apr 6, 2019 · 2013 Jeep Compass 2.4L , camshaft sensor replacement - Full Vid viewing pleasure only :) I been watching YouTube and didn’t see anyone complete this sensor j... So I took the Jeep in to a local mechanic to get to the bottom of the issue. He ran diagnostics and go the P0340 code. He performed the phaser relearn and cleaning with the diagnostic tool. Adapted the Cam Sensors and cleaned the negative post. The code cleared, but it came back a week later.Common causes of the P0340 trouble code include a faulty camshaft position sensor, wiring issues in the sensor circuit, or problems with the engine’s timing. Diagnostic procedures for this code typically start with checking the sensor’s wiring harness for any signs of damage or corrosion. It’s crucial to inspect the sensor’s connector ... Causes. Possible causes of OBD code P0340 Jeep. A code P0340 Jeep could mean one or more of the following has happened: a wire or connector in the circuit could be grounded/shorted/broken the camshaft position sensor may have failed the PCM may have failed there exists an open circuit the crankshaft position sensor may have failed. Atica trabada / Tablero - Falla en Display / Problema con jeep Jeep Wrangler (2 problemas) Código P0520 / Falla en ralenti / Corta revoluciónes después de las 3000 rpm Causas del código OBD2 P0340 Genérico. Un código P0340 puede ser causado por uno a más de los siguientes problemas: El sensor del árbol de levas está defectuoso. Sensor de posición del cigüeñal puede estar fallando. Módulo PCM puede estar presentando fallas. Un cable del circuito del sensor al PCM, puede estar conectado a tierra o ... Symptoms of your Wrangler‘s error code P0340. It may be hard or even impossible to start the car; You may notice there is a loss of power while you are drivingFeb 20, 2024 · Common causes of the P0340 trouble code include a faulty camshaft position sensor, wiring issues in the sensor circuit, or problems with the engine’s timing. Diagnostic procedures for this code typically start with checking the sensor’s wiring harness for any signs of damage or corrosion. It’s crucial to inspect the sensor’s connector ... JEEP COMPASS RENEGADE CODE P0340 P0341 P0342 P0343 CAMSHAFT POSITION SENSORIf you Jeep Compass or Jeep Renegade and you have engine light on and code P0340, ... Nov 9, 2018 · The causes of P0340 in the Jeep Grand Cherokee can vary and go beyond the camshaft position sensor itself. Some possible causes include: A faulty camshaft position sensor. Damaged or corroded wiring and connectors. Timing chain or belt issues. Mechanical problems with the camshaft or crankshaft. Problems with the powertrain control module (PCM) 7235 posts · Joined 2007. #4 · Feb 2, 2016. Many of the parts stores refer to them as ignition or distributor pickup, and I think even the Jeep parts list describes it similarly. The FSM I think refers to it as a cam position (CMP) sensor. Whatever way it's described it's what the p0340 code refers to. 97 TJ 4.0L Sport.Relevant errors like P0340, P0344, P1120 to P1698 are likely to appear. However, it’s also possible that the CMP/CKP sensor is either gummed up or compromised. 2. No-Starts and Power Loss. ... P1391 Jeep Code Causes. Faulty Crankshaft Position (CKP), Camshaft Position (CMP), or G-Sensor;The vehicle being tested is 2010 Jeep Wrangler but the tests shown in the video apply to hall effect type cam, crank and speed sensors. Video Breakdown:Intr...What the P0340 code means . The camshaft position sensor calculates the rotational speed of the camshaft and where the camshaft is positioned in that rotation. The camshaft sensor sends a signal to the Power Control Module (PCM) to communicate this information. The PCM then uses the information collected by the camshaft position … Causas del código OBD2 P0340 Genérico. Un código P0340 puede ser causado por uno a más de los siguientes problemas: El sensor del árbol de levas está defectuoso. Sensor de posición del cigüeñal puede estar fallando. Módulo PCM puede estar presentando fallas. Un cable del circuito del sensor al PCM, puede estar conectado a tierra o ... So, I decided to replace the old sensor with the new one that came with the new OPDA. After that, the test drive was much better - the problem was gone. In order to clear the check engine light and codes (P0344/P0340) I disconnected the …Jeep Master. 85,242 Answers. P0340 JEEP - Camshaft Position Sensor Circuit engine cylinder Bank 1 Sensor 1. Possible causes- Camshaft Position Sensor harness is open or shorted. - Camshaft Position Sensor circuit poor electrical connection. - Faulty Camshaft Position Sensor. - Faulty starter motor. - Starting system circuit.This P0340 code indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - …Jan 1, 2010 · I can clear the code and after it cranks for about 3-5 seconds, the code comes back. Also, over the past few weeks, I've had an intermittent P1391 code (Intermittent Loss of CMP or CKP) that is probably related. I could clear that one out but it would come back after driving for about 10-20 minutes. Not showing the 1391 code now, just the P0340. May 17, 2020 ... ... Nissan Xterra with the 4.0L V6 engine for code P0340 or P0345. 737mechanic•26K views · 3:52 · Go to channel. SYMPTOMS OF A BAD OXYGEN SENSOR.CEL stayed off until today, when it came back on and brought both P0340 and P0344 with it. The engine also goes into limp mode at 2500rpm again and starting today it takes 3-4 seconds of cranking for the engine to start. ... 2006 Jeep Wrangler Rubicon, 4.0l, 6-speed. 1990 Jeep Wrangler Sahara, work in progress. Mercedes OM617 turbodiesel ...JEEP CHEROKEE CODE P0340 P0341 P0342 P0343 CAMSHAFT POSITION SENSOR, ENGINE LIGHT ONIf you have Jeep Cherokee and you have Code P0340, P0341, P0342, P0343 an...Symptoms of your Wrangler‘s error code P0340. It may be hard or even impossible to start the car; You may notice there is a loss of power while you are drivingFind out what causes the P0340 code, how to diagnose and fix it, and what symptoms and possible solutions are. Engine-Codes.com provides detailed information and helpful tips for various engine codes.
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Códigos P0340, P1281, P0320, P0353, P0352, P0351, P0355, P0300, Jeep Liberty 2003 122000 kms. Caja de cambios Acelerador Bobina Arranque Bujías Sensor de velocidad ... P0302, P0303, P0304, P0700, P1391, P0306, P0356. Al escanear jeep liberty 2003 aparecen todos los códigos mencionados, ya se le cambio las 6 bobinas y bujías y …2009 Jeep Wrangler camshaft position sensor p0340 the sensor is adjustable and if the sensor is not installed properly it will throw p0340 please ensure that...7235 posts · Joined 2007. #4 · Feb 2, 2016. Many of the parts stores refer to them as ignition or distributor pickup, and I think even the Jeep parts list describes it similarly. The FSM I think refers to it as a cam position (CMP) sensor. Whatever way it's described it's what the p0340 code refers to. 97 TJ 4.0L Sport.Where is the P0340 sensor located? On most Dodge/Chrysler OHC engines the camshaft position sensor is mounted to the back of the cylinder head closest to the intake camshaft. On OHV or Cam-in-Block engines, the Camshaft Position Sensor is attached to the front of the engine closest to the camshaft itself. Typically, the causes for this code to ...1K. 140K views 1 year ago Fault Codes Troubleshooting Guides. Hi There, You guys may have had difficulties many times to start the engine. You have the engine … The vehicle being tested is 2010 Jeep Wrangler but the tests shown in the video apply to hall effect type cam, crank and speed sensors. Video Breakdown:Intr... Causas del código OBD2 P0340 Genérico. Un código P0340 puede ser causado por uno a más de los siguientes problemas: El sensor del árbol de levas está defectuoso. Sensor de posición del cigüeñal puede estar fallando. Módulo PCM puede estar presentando fallas. Un cable del circuito del sensor al PCM, puede estar conectado a tierra o ... The causes of P0340 in the Jeep Compass can vary and go beyond the camshaft position sensor itself. Some possible causes include: A faulty camshaft position sensor. Damaged or corroded wiring and connectors. Timing chain or belt issues. Mechanical problems with the camshaft or crankshaft. Problems with the powertrain …P0340 Jeep Code - Camshaft Position Sensor Circuit Bank 1 Sensor 1. Table of contents. Created and updated by William Orellana on Jun 15, 2023. Possible Causes.13423 posts · Joined 2017. #2 · Oct 9, 2019. P0340-CAMSHAFT POSITION SENSOR CIRCUIT. keyword is CIRCUIT, be sure to keep old sensor and if you must replace use a jeep OEM part. Will need a wiring diagram, DVOM BUT using a graphing scanner or labscope helps, as you observe CMP and CKP waveforms.The code displayed was P0340. I also hooked up an analyzer and it showed a P0340 (No Cam Signal At PCM) and a P1391 (Intermittent Loss of CMP or CKP). I went to the Jeep dealer parts dept and bought a new camshaft position sensor. The cost was $36.95. The part number is: 56041584AF. This is a genuine Chrysler part.The CMPS electronic circuit consists of the Camshaft Position Sensor, wiring harness, and the ECU. The problem could be a defective CMPS, open or shorted wire, or defective ECU. 2. Symptoms of DTC P0340. The symptoms of DTC P0340 can include the following: Engine hard to start or won’t start at all. Engine lacks power.An intermittent crankshaft position sensor can cause a P0344. You could also have an issue with the so called tone wheel being loose or damaged. Techs sometimes put a scope on the sensor and look at the waveforms. If the sensor is not completely flush with the timing cover before tightening it, it may be damaged.P0340 can be caused by a wide range of issues, from bad wiring to a faulty sensor to a faulty ECM. For an accurate estimate, you must first thoroughly investigate the problem. An hour of “diag time” is standard practice when you take your car to a mechanic (the time spent in labor diagnosing your specific issue)..