Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Check to see if it runs on starting fluid, if so next step is a fuel pressure test. Let me know how it goes, thanks.
What was fuel pressure reading?
To figure out problem you will need to do fuel pressure test and check for spark. Vehicle was running fine then wouldn't start today or how did it all start?
Check to see if pink wire going to coil has voltage with key in start position, if not your ignition switch has probably failed. If it does have voltage then clean ground 102 which is common to cause no spark conditions. Here is a picture of ground, let me know if you have more questions. Thanks.
It could be the crankshaft position sensor but ground problems and ignition switch is much more likely.