I have 1992 5.7 has spark and fuel timing is good won't start even with starting fluid??

Asked by Jul 18, 2016 at 09:48 AM about the 1992 GMC Sierra C/K 1500

Question type: Maintenance & Repair

1 Answer


When you say timing is good, do you mean ignition timing? If you have spark and fuel but it still won't run, time to do a compression test. If all cylinders test low or zero, the timing chain has jumped. This is how you check your valve timing. HTH. -Jim

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