symptoms of bad fuel injectors on 5.o liter

Asked by cjblock5649 Nov 18, 2016 at 11:35 AM about the 1991 Mercury Grand Marquis LS Sedan RWD

Question type: Maintenance & Repair

car jerks and stumbles on slow acceleration and around 50 to 60 mph

2 Answers
188,485

Paul answered 7 years ago

Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are :Starting issues, Poor idle, Failed emissions, Poor Performance, Engine does not reach full RPM, Increased fuel consumption, Rough engine performance, Surging and bucking under various throttle loads.

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MannyRosa answered 4 years ago

Will a clogged injector make the exaust manifold glow orange? It's not the plug wires crossed, or the catalytic converter. I'm at a loss here.

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