Will bad fuel cause po336 & p1345 codes at the same time? My chevy van was like skipping, It not a regular skip,just once in a while.

Asked by Sep 19, 2012 at 08:17 PM about the 1999 Chevrolet Express G1500 LS Passenger Van

Question type: Maintenance & Repair

Today it just cut off going down the road  .Would not start right away  .After 20 minutes it started right up.Drove it
home about 12 miles.Dxid not miss fire 1 time fuel maybe?????????

1 Answer

261,425

Those codes are both for a faulty Crankshaft/Camshaft position sensor. Nothing to do with fuel. I suspect if you locate and replace the sensor or repair the wiring, you will fix your issue

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