05 avalanche won't crank
20

Asked by Jonathan Dec 05, 2018 at 12:19 PM about the 2005 Chevrolet Avalanche 1500 LS RWD

Question type: Maintenance & Repair

Driving home, and stalls out. No crank. Changed crankshaft
sensor, fuel pump relay and slammed a brand new battery in
it. Eliminating the starter option because it stalled as I was
driving. I'm leaning towards spark plugs, alternator, or
regrettably the fuel pump which I hope it's not. PLEASE HELP!

6 Answers
20

Jonathan answered 5 years ago

Ninja chicken thank you for the help. Question: shouldn't the New Battery I just put in, be able to turn the Motor despite the alternator may potentially be shot??

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20

Jonathan answered 5 years ago

Thank you. Starting to lead towards the ecu/ pcm. Running out of options here...

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20

Jonathan answered 5 years ago

Always had Check engine light since I bought a yr ago. Was told computer needed to be reset because it was swapped if I'm not mistaken. I'll double check before I go to work to see if it's still there while I try to turn on. Just removed belt to make sure crank and all other pulleys spin freely to assure motor is not locked and all is fine.. beat the tank in case fuel pump was stuck.. Still no crank.. That's why I'm leaning towards ECU or PCM. I have 2 other mechanics mind boggled..

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18,685

munron answered 5 years ago

Have you scanned it for trouble codes? That should be one of your first steps.

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20

Jonathan answered 5 years ago

Haven't had the eq or anytime of means to scan. Can't move vehicle. Without paying a 'mobile mechanic' just to come diag. Might soon tho. I'll keep u guys posted

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Your Answer:

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