1990 Cadillac DeVille
40

Asked by Jason Feb 08, 2018 at 05:14 PM about the 1990 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

I have a 1990 Cadillac DeVille V8 full injected that
a friend added unleaded fuel from empty, She
cranks but will not fire. I have removed the fuel out
of the tank and fuel line and replaced it with
premium but she still will not start. Any ideas?

2 Answers
103,215

KenF answered 6 years ago

Regular unleaded would not have caused any harm to your engine, and you could have added an octane boost or some other product to the tank rather than draining it. Problem now is we don't know if it's not firing because of something done to the tank/fuel pump or filter. Is everything hooked back up correctly? Have fuel pressure? Pump energizing?

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40

Jason answered 6 years ago

Turns out the distributor is bad thanks thow

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