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P0340 Diagnostic Trouble Code Discussion for October 2007

CMP Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0340
Help Request Posted
1997 Chevrolet K1500 Cheyenne 5.7L Cuts out, Misfire, MIL Lamp on VIN: 2GCEK19R6V
P0340: CMP Sensor Circuit Malfunction. This truck came in for intake gasket leaks. While doing the intake, we noticed the ear was broke on the distributor. Replaced the distributor with new ac delco. vehicle returned within a week with the cam sensor codes.Found new distrubutor to be defective(or s...
October 03, 2007
2004 Ford F-150 FX4 5.4L Cuts out, Misfire, MIL Lamp on VIN: 1FTPX14594
P0340: cmp circuit malfunction bank1. Problem occurs intermittently. Signals from cam sensor to PCM are there. Check cam shaft timing both banks. Ran trouble tree for DTC's. No problem found but problem still exists. Check cam phasers Replace phaser solonoid. Checked in play on crank shaft-ok. Les...
October 03, 2007
1996 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3HJ85J7T
P0340: Camshaft Position Sensor Circuit Malfunction. hey fellow techs, need some help. i replaced head and now have a code po340 camshaft pos sensor. checked sensor and checks ok. please help if any one has come across this. it runs good just that code if i erase it it comes right back thanks
October 03, 2007
1997 Chevrolet K1500 Cheyenne 5.7L Cuts out, Misfire, MIL Lamp on VIN: 2GCEK19R6V
P0340: CMP Sensor Circuit Malfunction. This truck came in for intake gasket leaks. While doing the intake, we noticed the ear was broke on the distributor. Replaced the distributor with new ac delco. vehicle returned within a week with the cam sensor codes.Found new distrubutor to be defective(or s...
October 04, 2007
2001 Toyota Camry CE 2.2L No Start VIN: 4T1BG22K41
P0340: Camshaft Position Sensor Circuit Malfunction. this car is killing us. checked everything i described and the car will not start. it cranks fine but will not fire. no spark from the coils and the fuel pump does not prime. new crank sensor did not fix it (original was out of spec). cam is turning when crank...
October 09, 2007
2001 Chrysler Sebring LX 2.7L No Start, Cuts out, Stall, MIL Lamp on VIN: 1C3EL46U31
P0340: No Camshaft Sensor Signals At PCM. ... losing the cam signal, codes P0340 & P1391. I started the car this morning & it started up normal & had both cam & crank signals present at the PCM. It seemed to run fine driving down the road. After the road test, I pulled it in the shop &...
October 11, 2007
2001 Jeep Cherokee Sport 4.0L Cuts out VIN: 1J4FT48501
P0340: No Camshaft Sensor Signals At PCM. ... where it will run very poorly. This is a dealers car and two different customers at times of weeks apart complained of this problem. The dealer and our shop has never had a single problem with the car. The first time it set a code P0204. This being a fault...
October 11, 2007
2001 Chrysler Sebring LX 2.7L No Start, Cuts out, Stall, MIL Lamp on VIN: 1C3EL46U31
P0340: No Camshaft Sensor Signals At PCM. ... losing the cam signal, codes P0340 & P1391. I started the car this morning & it started up normal & had both cam & crank signals present at the PCM. It seemed to run fine driving down the road. After the road test, I pulled it in the shop &...
October 15, 2007
1996 Dodge Grand Caravan SE 3.3L No Start, Stall, MIL Lamp on VIN: 2B4GP44R3T
P0340: No Camshaft Sensor Signals At PCM. complaint of intermittent no start, check engine light comes on, somtimes stalls when coming to traffic lights, replaced cam sensor, drove vehicle seemed okay. copstomer came to pick it up after sitting for aprox 2hrs, it wouldn't start. scanned computer found...
October 16, 2007
1998 BMW 740i 4.4L MIL Lamp on VIN: WBAGF8324W
P0340: camshaft pos sensor. ... noise left bank "rattle" cheaked it out found chain guides all broken up from lack of oil apparantly it was a leese car and the oil wasnt ever changed it was full of sludge could bearly see the cam lobes after valve cover was removed oil sump pluge...
October 19, 2007
2002 Ford Escort SE 2.0L MIL Lamp on VIN: 3FAFP13P82
P0340: cmp signal circuit. thanks in advance for any replies. i have this vehicle it came in for the stated code but foolowing mitchell procedures for this code i could not regenerate it with the ford selftest, so we put a cam sensor in it. a week later back with the same code. go throu...
October 19, 2007
1998 BMW 740i 4.4L MIL Lamp on VIN: WBAGF8324W
P0340: camshaft pos sensor. ... noise left bank "rattle" cheaked it out found chain guides all broken up from lack of oil apparantly it was a leese car and the oil wasnt ever changed it was full of sludge could bearly see the cam lobes after valve cover was removed oil sump pluge...
October 22, 2007
2003 Buick Rendezvous CX 3.4L MIL Lamp on VIN: 3G5DA03E43
P0340: cam sensor. Sorry in advance for long post. Got this cam code, scanner showing no cam signal. I hooked up lab scope to verify and show no signal on terminal b brown/white wire. Should have 12 volts square wave. I checked terminal a red wire it has 12 volts and the remaini...
October 24, 2007
1998 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FAFP45X3W
P0340: cam position sensor circuit failure. VEHICLE CAME IN WITH MIL ON,HAD PO340 CODE AND PO171 LEAN CODE.REPLACED CAM SENSOR AFTER SCOPE SHOWED INTERMITTENT SIGNAL DROP OUT AT IDLE.ALSO REPLACED OE INTAKE MANIFOLD WITH UPDATED DORMAN INTAKE & GASKETS TO REPAIR VACUUM LEAKS AROUND INTAKE GASKET.AFT...
October 25, 2007
1995 Lexus ES300 3.0L Cuts out, MIL Lamp on VIN: JT8GK13T2S
P0340: Camshaft Position Sensor Circuit. ... help request. This '95 ES300 came to me with the MIL on and the customer stating that the vehicle runs fine, no performance issues. DTC P0401 EGR Insufficient flow was the only code at this time. Diagnosed and found a faulty VSV (Vacuum Switching Valve/EGR...
October 26, 2007
1995 Lexus ES300 3.0L Cuts out, MIL Lamp on VIN: JT8GK13T2S
P0340: Camshaft Position Sensor Circuit. ... help request. This '95 ES300 came to me with the MIL on and the customer stating that the vehicle runs fine, no performance issues. DTC P0401 EGR Insufficient flow was the only code at this time. Diagnosed and found a faulty VSV (Vacuum Switching Valve/EGR...
October 27, 2007
2002 Nissan Xterra SE 3.3L No Start VIN: 5N1ED28Y02
P0340: Camshaft Position Sensor Circuit Malfunction. ... start. First time we hit the key it fired right up. After pulling codes we found the p0340 cleared it after looking at the distributor and moved on to the nise in the front of the engine witch turned out to be the timing belt slapping the inside of the cov...
October 27, 2007
2004 Kia Rio 1.6L No Start VIN: KNADC12584
P0340: Camshaft Position Sensor 'A' Circuit Malfunction. This vehicle was towed into shop with no start. Customer stated that she was driving stoped at store and the vehicle would not restart. Tested for spark and I get aprox 2 or 3 sparks and vehicle sounds like it wants to start then spark goes away. Hooked up sco...
October 30, 2007
2001 Chrysler Sebring LXi 2.7L No Start, MIL Lamp on VIN: 1C3EL55U91
P0340: No Camshaft Sensor Signals At PCM. Vehicle was towed in, died going down the road and wouldn't start. We found that the #4 coil was melted and the fuel injector/coil fuse was blown. Replaced fuse and coil. Vehicle started and ran fine but the coil started melting again. We found the above codes...
October 31, 2007
1998 Ford Windstar 3.8L MIL Lamp on VIN: FMZA5144WB
P0340: cam position sensor circuit malfunction. po340 camshaft position sensor circuit malfunction repeats after running a short time checked iatns forums and dpfe sensor was recomended, replaced dpfe sensor and cam shaft sensor and the cam distributer shaft stater ... cleared codes and po340 code repeated ...
October 31, 2007
1997 Chevrolet K1500 Cheyenne 5.7L Cuts out, Misfire, MIL Lamp on VIN: 2GCEK19R6V
P0340: CMP Sensor Circuit Malfunction. This truck came in for intake gasket leaks. While doing the intake, we noticed the ear was broke on the distributor. Replaced the distributor with new ac delco. vehicle returned within a week with the cam sensor codes.Found new distrubutor to be defective(or s...
October 03, 2007
2004 Ford F-150 FX4 5.4L Cuts out, Misfire, MIL Lamp on VIN: 1FTPX14594
P0340: cmp circuit malfunction bank1. Problem occurs intermittently. Signals from cam sensor to PCM are there. Check cam shaft timing both banks. Ran trouble tree for DTC's. No problem found but problem still exists. Check cam phasers Replace phaser solonoid. Checked in play on crank shaft-ok. Les...
October 03, 2007
1996 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3HJ85J7T
P0340: Camshaft Position Sensor Circuit Malfunction. hey fellow techs, need some help. i replaced head and now have a code po340 camshaft pos sensor. checked sensor and checks ok. please help if any one has come across this. it runs good just that code if i erase it it comes right back thanks
October 03, 2007
1997 Chevrolet K1500 Cheyenne 5.7L Cuts out, Misfire, MIL Lamp on VIN: 2GCEK19R6V
P0340: CMP Sensor Circuit Malfunction. This truck came in for intake gasket leaks. While doing the intake, we noticed the ear was broke on the distributor. Replaced the distributor with new ac delco. vehicle returned within a week with the cam sensor codes.Found new distrubutor to be defective(or s...
October 04, 2007
2001 Toyota Camry CE 2.2L No Start VIN: 4T1BG22K41
P0340: Camshaft Position Sensor Circuit Malfunction. this car is killing us. checked everything i described and the car will not start. it cranks fine but will not fire. no spark from the coils and the fuel pump does not prime. new crank sensor did not fix it (original was out of spec). cam is turning when crank...
October 09, 2007
2001 Chrysler Sebring LX 2.7L No Start, Cuts out, Stall, MIL Lamp on VIN: 1C3EL46U31
P0340: No Camshaft Sensor Signals At PCM. ... losing the cam signal, codes P0340 & P1391. I started the car this morning & it started up normal & had both cam & crank signals present at the PCM. It seemed to run fine driving down the road. After the road test, I pulled it in the shop &...
October 11, 2007
2001 Jeep Cherokee Sport 4.0L Cuts out VIN: 1J4FT48501
P0340: No Camshaft Sensor Signals At PCM. ... where it will run very poorly. This is a dealers car and two different customers at times of weeks apart complained of this problem. The dealer and our shop has never had a single problem with the car. The first time it set a code P0204. This being a fault...
October 11, 2007
2001 Chrysler Sebring LX 2.7L No Start, Cuts out, Stall, MIL Lamp on VIN: 1C3EL46U31
P0340: No Camshaft Sensor Signals At PCM. ... losing the cam signal, codes P0340 & P1391. I started the car this morning & it started up normal & had both cam & crank signals present at the PCM. It seemed to run fine driving down the road. After the road test, I pulled it in the shop &...
October 15, 2007
1996 Dodge Grand Caravan SE 3.3L No Start, Stall, MIL Lamp on VIN: 2B4GP44R3T
P0340: No Camshaft Sensor Signals At PCM. complaint of intermittent no start, check engine light comes on, somtimes stalls when coming to traffic lights, replaced cam sensor, drove vehicle seemed okay. copstomer came to pick it up after sitting for aprox 2hrs, it wouldn't start. scanned computer found...
October 16, 2007
1998 BMW 740i 4.4L MIL Lamp on VIN: WBAGF8324W
P0340: camshaft pos sensor. ... noise left bank "rattle" cheaked it out found chain guides all broken up from lack of oil apparantly it was a leese car and the oil wasnt ever changed it was full of sludge could bearly see the cam lobes after valve cover was removed oil sump pluge...
October 19, 2007
2002 Ford Escort SE 2.0L MIL Lamp on VIN: 3FAFP13P82
P0340: cmp signal circuit. thanks in advance for any replies. i have this vehicle it came in for the stated code but foolowing mitchell procedures for this code i could not regenerate it with the ford selftest, so we put a cam sensor in it. a week later back with the same code. go throu...
October 19, 2007
1998 BMW 740i 4.4L MIL Lamp on VIN: WBAGF8324W
P0340: camshaft pos sensor. ... noise left bank "rattle" cheaked it out found chain guides all broken up from lack of oil apparantly it was a leese car and the oil wasnt ever changed it was full of sludge could bearly see the cam lobes after valve cover was removed oil sump pluge...
October 22, 2007
2003 Buick Rendezvous CX 3.4L MIL Lamp on VIN: 3G5DA03E43
P0340: cam sensor. Sorry in advance for long post. Got this cam code, scanner showing no cam signal. I hooked up lab scope to verify and show no signal on terminal b brown/white wire. Should have 12 volts square wave. I checked terminal a red wire it has 12 volts and the remaini...
October 24, 2007
1998 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FAFP45X3W
P0340: cam position sensor circuit failure. VEHICLE CAME IN WITH MIL ON,HAD PO340 CODE AND PO171 LEAN CODE.REPLACED CAM SENSOR AFTER SCOPE SHOWED INTERMITTENT SIGNAL DROP OUT AT IDLE.ALSO REPLACED OE INTAKE MANIFOLD WITH UPDATED DORMAN INTAKE & GASKETS TO REPAIR VACUUM LEAKS AROUND INTAKE GASKET.AFT...
October 25, 2007
1995 Lexus ES300 3.0L Cuts out, MIL Lamp on VIN: JT8GK13T2S
P0340: Camshaft Position Sensor Circuit. ... help request. This '95 ES300 came to me with the MIL on and the customer stating that the vehicle runs fine, no performance issues. DTC P0401 EGR Insufficient flow was the only code at this time. Diagnosed and found a faulty VSV (Vacuum Switching Valve/EGR...
October 26, 2007
1995 Lexus ES300 3.0L Cuts out, MIL Lamp on VIN: JT8GK13T2S
P0340: Camshaft Position Sensor Circuit. ... help request. This '95 ES300 came to me with the MIL on and the customer stating that the vehicle runs fine, no performance issues. DTC P0401 EGR Insufficient flow was the only code at this time. Diagnosed and found a faulty VSV (Vacuum Switching Valve/EGR...
October 27, 2007
2002 Nissan Xterra SE 3.3L No Start VIN: 5N1ED28Y02
P0340: Camshaft Position Sensor Circuit Malfunction. ... start. First time we hit the key it fired right up. After pulling codes we found the p0340 cleared it after looking at the distributor and moved on to the nise in the front of the engine witch turned out to be the timing belt slapping the inside of the cov...
October 27, 2007
2004 Kia Rio 1.6L No Start VIN: KNADC12584
P0340: Camshaft Position Sensor 'A' Circuit Malfunction. This vehicle was towed into shop with no start. Customer stated that she was driving stoped at store and the vehicle would not restart. Tested for spark and I get aprox 2 or 3 sparks and vehicle sounds like it wants to start then spark goes away. Hooked up sco...
October 30, 2007
2001 Chrysler Sebring LXi 2.7L No Start, MIL Lamp on VIN: 1C3EL55U91
P0340: No Camshaft Sensor Signals At PCM. Vehicle was towed in, died going down the road and wouldn't start. We found that the #4 coil was melted and the fuel injector/coil fuse was blown. Replaced fuse and coil. Vehicle started and ran fine but the coil started melting again. We found the above codes...
October 31, 2007
1998 Ford Windstar 3.8L MIL Lamp on VIN: FMZA5144WB
P0340: cam position sensor circuit malfunction. po340 camshaft position sensor circuit malfunction repeats after running a short time checked iatns forums and dpfe sensor was recomended, replaced dpfe sensor and cam shaft sensor and the cam distributer shaft stater ... cleared codes and po340 code repeated ...
October 31, 2007