Failure to crank

Asked by Jun 08, 2017 at 04:07 PM about the 2005 Chevrolet Cavalier Sedan FWD

Question type: Maintenance & Repair

Car was running fine last night when it was
parked. Would not crank this morning. Car is
getting fuel, but not firing. We have put an
ignition coil on today and the car still will not
crank. HELP!!!!! Any ideas appreciated.

1 Answer

1,670

Make sure the battery has a full charge. If it cranks good but won't start, have a helper crank it while you visually check for spark at the spark plugs. Then use a gage and see if you proper fuel pressure, engine cranking. The pressure you saw, if any, maybe the initial prime? You need to check pressure with engine cranking. Also check fuel injector pulse. I'm trying to decide if you have more than one problem? If you missing all three, have to check for rpm signal, comes from crank sensor. I'm not saying replace anything, you need to do some testing. Any applicable trouble codes? If you have done all this testing and narrowed it down to just no spark, then we can check just that system. At the ignition module, pink wire is voltage, fuse protected, goes hot with key on. Black wire with white tracer is ground. Check them both.

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