P1386 Diagnostic Trouble Code Discussion for September 2011
Camshaft Position Sensor 'B' Circuit Malfunction
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| Help Request | Posted | |
| 1997 Mercedes-Benz S420 4.2L Hesitation VIN: WDBGA43G8V P1386: Knock sensor control from ecm at end stop. Hi all, need some help. The S420 is falling on its face at take off. The timing is being retarded by ecm. With codes erased and vehicle cold it does fine. As soon as it warms up and goes into closed loop operation, it just losses all power. Fuel pressure good.... |
September 07, 2011 | |
| 1997 Mercedes-Benz S420 4.2L Hesitation VIN: WDBGA43G8V P1386: Knock sensor control from ecm at end stop. Hi all, need some help. The S420 is falling on its face at take off. The timing is being retarded by ecm. With codes erased and vehicle cold it does fine. As soon as it warms up and goes into closed loop operation, it just losses all power. Fuel pressure good.... |
September 13, 2011 |
