2002 GMC Yukon 5.3 cranks but no start

10

Asked by GuruTSZL2 Jun 29, 2018 at 09:19 PM about the 2002 GMC Yukon SLE 4WD

Question type: Maintenance & Repair

2002 GMC Yukon 5.3 cranks but no start have code P0336 (crank sensor)
replaced sensor still have crank but no start and code still there. Checked all
wires from sensor to ECM all good continuity. Rotating engine by hand get
good on/off signal from sensor. Checked spark - good, fuel pressure 55 psi.
What am I missing?

3 Answers
10

GuruTSZL2 answered 6 years ago

Yes I checked the cam sensor it’s good, wires from sensor to ECM all have continuity. Hand crank engine get on/off signal.

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30

Deedowg78 answered 5 years ago

I have a wire hanging my Yukon will turn over but won't crank but a wire is hanging my crank sensor is located by my starter what do I do

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