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P0340 Diagnostic Trouble Code Discussion for April 2006

CMP Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0340
Help Request Posted
1996 Nissan Maxima SE 3.0L Surge, Misfire, MIL Lamp on VIN: JN1CA21DOT
P0340: Camshaft Position Sensor Circuit Malfunction. Thanks for help in advance. After it sits it has a misfire AT 1300 TO 1800 rpm under light throtel. The tach will drop when this occurs. I have no way of scoping a cop system on this type . The crank (cid ) and the cam signal did not fail when this happend. It...
April 07, 2006
1996 Ford Ranger Splash 2.3L MIL Lamp on VIN: 1FTCR10AXT
P0340: cam position sensor circuit fault. Vehicle came in for a smog, check engine light on and hc's were high. Found PO340. Checked the cam timing and the marks were right on the money.Lab scoped the cam and crank sensor with a dual trace scope. Patterns look excellent. suspected the pcm as the probl...
April 10, 2006
1996 Saturn SC2 1.9L No Start, Poor Idle Quality VIN: 1G82K5272T
P0340: Camshaft Position Sensor Circuit Malfunction. ... this plaint ses light on customer tell me that he lost power .I put the scanner and found the code p0340 The engine run only on cylinder 3and4 fuel spark compression timing are all ok i saw the rpm while cranking ,the ckp sensor read 800 ohm i replace the ...
April 13, 2006
1996 Ford Windstar GL 3.8L Cuts out, Misfire, MIL Lamp on VIN: 2FMDA5147T
P0340: camshaft position sensor A circuit. p0340 only hard code,cam sensor wiring has been tested,all grounds back to pcm have been checked,cam sensor and pcm have been replaced,code always resets.found cam sensor out of sync.180 degrees,set up sensor to number 1 cyl tdc.now engine runs better,but p034...
April 15, 2006
1997 Ford Taurus G 3.0L Surge, Cuts out, Misfire VIN: 1FALP51U4V
P0340: camshaft sensor. at times in speed range of 30 to 40 mph has surge, feels like secondary ignition miss not torque convertor shudder, brake torque will not drop a cylinder, replace camshaft sensor and used factory tool for camshaft sensor housing, tool fit correctly on housing,...
April 17, 2006
2001 Mitsubishi Eclipse GT 3.0L Poor Idle Quality, MIL Lamp on VIN: 4A3AC54H91
P0340: Camshaft Position Sensor Circuit Malfunction. Originally, when I first looked at this car, it also had a po174 (lean bank 1), a po171(lean bank2), a po134 no activity from o2 sensor. bank 1 total trim freeze frame was 37.5% on bank 1. aside from this, there was a lot of noise coming from under the t-belt ...
April 20, 2006
1997 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GCEC19W8V
P0340: CMP Sensor Circuit Malfunction. hello !!! thanks to everyone in advance. have read several of the fix data base. lots of ideas. changed the cam sensor and cleaned the maf sensor cleared the codes mil lamp comes on instantly. please help
April 24, 2006
2000 Ford Windstar 3.0L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FMZA50U5Y
P0340: Camshaft sensor circuit. Gets the Code PO340 for CMP sensor circuit. Clear it and it comes back soon. Also runs kinda ragged, rough, and might stall at idle. I read the archives and found the DPFE can cause this code. The DPFE was replaced about 6 months ago with a plastic Ford part f...
April 25, 2006
2000 Ford Windstar 3.0L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FMZA50U5Y
P0340: Camshaft sensor circuit. Gets the Code PO340 for CMP sensor circuit. Clear it and it comes back soon. Also runs kinda ragged, rough, and might stall at idle. I read the archives and found the DPFE can cause this code. The DPFE was replaced about 6 months ago with a plastic Ford part f...
April 28, 2006
1996 Nissan Maxima SE 3.0L Surge, Misfire, MIL Lamp on VIN: JN1CA21DOT
P0340: Camshaft Position Sensor Circuit Malfunction. Thanks for help in advance. After it sits it has a misfire AT 1300 TO 1800 rpm under light throtel. The tach will drop when this occurs. I have no way of scoping a cop system on this type . The crank (cid ) and the cam signal did not fail when this happend. It...
April 07, 2006
1996 Ford Ranger Splash 2.3L MIL Lamp on VIN: 1FTCR10AXT
P0340: cam position sensor circuit fault. Vehicle came in for a smog, check engine light on and hc's were high. Found PO340. Checked the cam timing and the marks were right on the money.Lab scoped the cam and crank sensor with a dual trace scope. Patterns look excellent. suspected the pcm as the probl...
April 10, 2006
1996 Saturn SC2 1.9L No Start, Poor Idle Quality VIN: 1G82K5272T
P0340: Camshaft Position Sensor Circuit Malfunction. ... this plaint ses light on customer tell me that he lost power .I put the scanner and found the code p0340 The engine run only on cylinder 3and4 fuel spark compression timing are all ok i saw the rpm while cranking ,the ckp sensor read 800 ohm i replace the ...
April 13, 2006
1996 Ford Windstar GL 3.8L Cuts out, Misfire, MIL Lamp on VIN: 2FMDA5147T
P0340: camshaft position sensor A circuit. p0340 only hard code,cam sensor wiring has been tested,all grounds back to pcm have been checked,cam sensor and pcm have been replaced,code always resets.found cam sensor out of sync.180 degrees,set up sensor to number 1 cyl tdc.now engine runs better,but p034...
April 15, 2006
1997 Ford Taurus G 3.0L Surge, Cuts out, Misfire VIN: 1FALP51U4V
P0340: camshaft sensor. at times in speed range of 30 to 40 mph has surge, feels like secondary ignition miss not torque convertor shudder, brake torque will not drop a cylinder, replace camshaft sensor and used factory tool for camshaft sensor housing, tool fit correctly on housing,...
April 17, 2006
2001 Mitsubishi Eclipse GT 3.0L Poor Idle Quality, MIL Lamp on VIN: 4A3AC54H91
P0340: Camshaft Position Sensor Circuit Malfunction. Originally, when I first looked at this car, it also had a po174 (lean bank 1), a po171(lean bank2), a po134 no activity from o2 sensor. bank 1 total trim freeze frame was 37.5% on bank 1. aside from this, there was a lot of noise coming from under the t-belt ...
April 20, 2006
1997 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GCEC19W8V
P0340: CMP Sensor Circuit Malfunction. hello !!! thanks to everyone in advance. have read several of the fix data base. lots of ideas. changed the cam sensor and cleaned the maf sensor cleared the codes mil lamp comes on instantly. please help
April 24, 2006
2000 Ford Windstar 3.0L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FMZA50U5Y
P0340: Camshaft sensor circuit. Gets the Code PO340 for CMP sensor circuit. Clear it and it comes back soon. Also runs kinda ragged, rough, and might stall at idle. I read the archives and found the DPFE can cause this code. The DPFE was replaced about 6 months ago with a plastic Ford part f...
April 25, 2006
2000 Ford Windstar 3.0L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FMZA50U5Y
P0340: Camshaft sensor circuit. Gets the Code PO340 for CMP sensor circuit. Clear it and it comes back soon. Also runs kinda ragged, rough, and might stall at idle. I read the archives and found the DPFE can cause this code. The DPFE was replaced about 6 months ago with a plastic Ford part f...
April 28, 2006