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P0340 Diagnostic Trouble Code Discussion for June 2011

CMP Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0340
Help Request Posted
1995 Ford F-350 XL 7.3L No Start VIN: 1FDKF37F0S
P0340: Cam sensor circuit fault. Hello all. My own truck, very frustrated. I have done much, much reading on here... when it doesn't start, all the criteria I can find here... it meets (crank RPM, inj duty cycle, inj control pressure, etc). Still no start, then, in the middle of testing, it k...
June 03, 2011
2005 Ford F-150 FX4 5.4L Cuts out, Stall VIN: 1FTPX14565
P0340: Camshaft Position Sensor Circuit Malfunction Bank 1. Basically this vehicle has been a nightmare for us. The customer came in wanting a T/U, we removed 3 plugs and all three broke, which was no surprise. However, on the 4th plug the extractor broke off in the plug. After calling the customer and explaining the s...
June 08, 2011
1999 Mitsubishi Galant ES 2.4L No Start, Cuts out, Stall, MIL Lamp on VIN: 4A3AA46G1X
P0340: Camshaft Position Sensor Circuit Malfunction. car was towed in start and stall with P0340 code (cam circuit falut). I figured it to be easy fix cam sensor and out the door. Put cam sensor in and same thing. One of about six times you crank it, it will stay running but 90% start and stalls out with p0340 r...
June 11, 2011
2004 Jeep Grand Cherokee Special Edition 4.7L MIL Lamp on VIN: 1J4GW48N64
P0340: Camshaft Position Sensor Circuit Malfunction. ... into the shop as a trade in.the lady that traded in has no history on the vehicle since she got the vehicle from a relative who did not make payments on it.the trouble code that always comes up is p0340.this trouble code...
June 13, 2011
2004 Jeep Grand Cherokee Special Edition 4.7L MIL Lamp on VIN: 1J4GW48N64
P0340: Camshaft Position Sensor Circuit Malfunction. ... into the shop as a trade in.the lady that traded in has no history on the vehicle since she got the vehicle from a relative who did not make payments on it.the trouble code that always comes up is p0340.this trouble code...
June 14, 2011
1996 Chevrolet Astro 4.3L Cuts out, Misfire, MIL Lamp on VIN: 1GNDM19W7T
P0340: CMP Sensor Circuit Malfunction. ... right. Intermitantly after driving at least 15 miles the engine will start to misfire. Feels like its dropping multiple cylinders at once, then straightens out. eache time it does this it imediatly sets a P0340 cam sensor code. usually does so at cruise sp...
June 16, 2011
2005 Nissan Altima SE 3.5L Stall VIN: 1N4BL11E35
P0340: Camshaft Position Sensor (Phase) Circuit Malfunction. This vehicle cam in with intermittant cam sensor code on the engine side, and loss of speed input on the transmission side. After reviewing the knowledge base, I replaced the cam sensor b1 and retested. Now the vehicle has hard faults both the 340 cam sensor, ...
June 17, 2011
1995 Ford Mustang 3.8L MIL Lamp on VIN: 1FALP4048S
P0340: cam sensor. I have this mustang that keeps setting cam sensor code,it takes a few miles before setting. I have replaced the cam sensor, revised DPFE sensor ,check wiring,connectors,ect. I used the cam alighment tool to install complete cam sensor assembly."I did find...
June 23, 2011
2003 Ford Focus LX 2.3L MIL Lamp on VIN: 1FAFP34Z33
P0340: cams position sensor. Hi All, Another pesky P0340 code in this 2.3 L that will not go away with after replacing a sensor with Ford part and oscilloscope shows a decent pattern at computer pin #25. At idle wave form is approx 1.2 volts AC and goes up to 8 VAC with higher RPM. Occ...
June 27, 2011
2002 Mazda Miata LS 1.8L No Start VIN: JM1NB35362
P0340: Camshaft Position Sensor Circuit Malfunction. HI FOLKS , This one has a cam sensor code and won't start, installed and still has problem. Checked the timing belt and all is good, marks in line. Can any thing else cause this code other than a cam sensor? Like igniter or even the crank sensor, although it a...
June 30, 2011
1995 Ford F-350 XL 7.3L No Start VIN: 1FDKF37F0S
P0340: Cam sensor circuit fault. Hello all. My own truck, very frustrated. I have done much, much reading on here... when it doesn't start, all the criteria I can find here... it meets (crank RPM, inj duty cycle, inj control pressure, etc). Still no start, then, in the middle of testing, it k...
June 03, 2011
2005 Ford F-150 FX4 5.4L Cuts out, Stall VIN: 1FTPX14565
P0340: Camshaft Position Sensor Circuit Malfunction Bank 1. Basically this vehicle has been a nightmare for us. The customer came in wanting a T/U, we removed 3 plugs and all three broke, which was no surprise. However, on the 4th plug the extractor broke off in the plug. After calling the customer and explaining the s...
June 08, 2011
1999 Mitsubishi Galant ES 2.4L No Start, Cuts out, Stall, MIL Lamp on VIN: 4A3AA46G1X
P0340: Camshaft Position Sensor Circuit Malfunction. car was towed in start and stall with P0340 code (cam circuit falut). I figured it to be easy fix cam sensor and out the door. Put cam sensor in and same thing. One of about six times you crank it, it will stay running but 90% start and stalls out with p0340 r...
June 11, 2011
2004 Jeep Grand Cherokee Special Edition 4.7L MIL Lamp on VIN: 1J4GW48N64
P0340: Camshaft Position Sensor Circuit Malfunction. ... into the shop as a trade in.the lady that traded in has no history on the vehicle since she got the vehicle from a relative who did not make payments on it.the trouble code that always comes up is p0340.this trouble code...
June 13, 2011
2004 Jeep Grand Cherokee Special Edition 4.7L MIL Lamp on VIN: 1J4GW48N64
P0340: Camshaft Position Sensor Circuit Malfunction. ... into the shop as a trade in.the lady that traded in has no history on the vehicle since she got the vehicle from a relative who did not make payments on it.the trouble code that always comes up is p0340.this trouble code...
June 14, 2011
1996 Chevrolet Astro 4.3L Cuts out, Misfire, MIL Lamp on VIN: 1GNDM19W7T
P0340: CMP Sensor Circuit Malfunction. ... right. Intermitantly after driving at least 15 miles the engine will start to misfire. Feels like its dropping multiple cylinders at once, then straightens out. eache time it does this it imediatly sets a P0340 cam sensor code. usually does so at cruise sp...
June 16, 2011
2005 Nissan Altima SE 3.5L Stall VIN: 1N4BL11E35
P0340: Camshaft Position Sensor (Phase) Circuit Malfunction. This vehicle cam in with intermittant cam sensor code on the engine side, and loss of speed input on the transmission side. After reviewing the knowledge base, I replaced the cam sensor b1 and retested. Now the vehicle has hard faults both the 340 cam sensor, ...
June 17, 2011
1995 Ford Mustang 3.8L MIL Lamp on VIN: 1FALP4048S
P0340: cam sensor. I have this mustang that keeps setting cam sensor code,it takes a few miles before setting. I have replaced the cam sensor, revised DPFE sensor ,check wiring,connectors,ect. I used the cam alighment tool to install complete cam sensor assembly."I did find...
June 23, 2011
2003 Ford Focus LX 2.3L MIL Lamp on VIN: 1FAFP34Z33
P0340: cams position sensor. Hi All, Another pesky P0340 code in this 2.3 L that will not go away with after replacing a sensor with Ford part and oscilloscope shows a decent pattern at computer pin #25. At idle wave form is approx 1.2 volts AC and goes up to 8 VAC with higher RPM. Occ...
June 27, 2011
2002 Mazda Miata LS 1.8L No Start VIN: JM1NB35362
P0340: Camshaft Position Sensor Circuit Malfunction. HI FOLKS , This one has a cam sensor code and won't start, installed and still has problem. Checked the timing belt and all is good, marks in line. Can any thing else cause this code other than a cam sensor? Like igniter or even the crank sensor, although it a...
June 30, 2011