P1391 Diagnostic Trouble Code Discussion for February 2007
CKP Or CMP Sensor Signal Intermittent
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| Help Request | Posted | |
| 2002 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1D7HA18N12 P1391: int loss of cmp or ckp. ... that on cold starts in the morning will set code p1391 surge and cut out.Runs good warm other then will after a while, coat spark plugs with soot from running rich as acts up .have hooked up a scope to check both ckp&cmp sensors while problem is there.... |
February 03, 2007 | |
| 2002 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1D7HA18N12 P1391: int loss of cmp or ckp. ... that on cold starts in the morning will set code p1391 surge and cut out.Runs good warm other then will after a while, coat spark plugs with soot from running rich as acts up .have hooked up a scope to check both ckp&cmp sensors while problem is there.... |
February 03, 2007 | |
| 2002 Dodge Ram 1500 SLT 4.7L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on VIN: 1D7HA18N12 P1391: int loss of cmp or ckp. ... that on cold starts in the morning will set code p1391 surge and cut out.Runs good warm other then will after a while, coat spark plugs with soot from running rich as acts up .have hooked up a scope to check both ckp&cmp sensors while problem is there.... |
February 06, 2007 | |
| 1995 Dodge Neon 2.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1J12345K78 P1391: Cam/Crank sync. Hi Gang, I'll be looking at this over the weekend and wanted to get a heads up. Sorry about the bogus vin. A fellow tech is working on this sled and says its pretty strange. After the engine gets hot, and only after driving it a mile or so, it will buck, miss ... |
February 16, 2007 | |
| 1996 Chrysler Town & Country LXi 3.8L No Start VIN: 1C4GP64L2T P1391: CKP Or CMP Sensor Signal Intermittent. ... with.it happens to be a 96 t&c that came to me with a complaint of shutting down after it ran about 25-35 miles.check engine lt was on,got codes p0340 cam sensor and p1391 cam or crank intermitent.checked cam sensor with vantage and found signal glitch... |
February 22, 2007 |
