FUEL SYSTEM

1992 Cadillac Brougham

Tiny

samika

June, 29, 2008 AT 2:41 PM

Engine Performance problem
1992 Cadillac Brougham V8 Two Wheel Drive Automatic 127000 miles

92brougham 5.0L throttlebody: excellent mechanical condition, easy to crank over yet takes a long time to start, then very unstable idle and wants to nose over (die) at slight throttle. Drives fine on highway with less power up hills. No pinginging or black exhaust, no backfireing, no overheating. I have never replaced fuelpump or any fuel filters. Ignition wires, plugs, spark is very good. This happened suddenly after driving fine and then restarting a few hours later.

FOUND 6783 RELATED QUESTIONS

1 Answer

Tiny

Docfixit

June, 29, 2008 AT 2:55 PM

The fuel pressure should be checked and the filter replaced as a matter of maintence. But have the EGR valve checked if it is stuck open it would cause poor idle, hard start and tip in hesitation. Also check for trouble codes. Let me know

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