P0321 Diagnostic Trouble Code Discussion for April 2009
Crankshaft Position Sensor Circuit Range/Performance
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| Help Request | Posted | |
| 1999 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy P0321: testing and results. truck came in no start fuel pressure good and did not have spark, checked vehicle had code for high voltage at ignition module checked did not have crank reference from pcm. crank reference to pcm from crank sensor good ohmed wire no short or open replaced pcm... |
April 24, 2009 | |
| 1999 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy P0321: testing and results. truck came in no start fuel pressure good and did not have spark, checked vehicle had code for high voltage at ignition module checked did not have crank reference from pcm. crank reference to pcm from crank sensor good ohmed wire no short or open replaced pcm... |
April 29, 2009 |
