P1661 Diagnostic Trouble Code Discussion for September 2009
MIL Control Circuit Malfunction
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| Help Request | Posted | |
| 1994 Ford F-350 XL 7.3L No Start, Poor Idle Quality VIN: 1FTHX26F5R P1661: output circuit ck signal low. When cold this truck will start, early direct injected engine. then when you shut it off, it won't start. No icp (injector control pressure) showing, it does show .24 volt, but when you crank it, it won't go above .50 volt and the pressure readings is 125 psi,... |
September 17, 2009 |
