Question about 1994 Chevrolet Corvette

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I have a 1994 corvette coupe that i recently replaced plugs, wires, fuel pump, filter, cap and rotor. Recently I am experiencing hesitation, rough idle -loss of rpm at start up and for the first 10 minutes. Some times it floods out at starting and have to hold foot pedle all the way down to start. Car has 98,000 miles. Has original everything else. The idle will fluctuate in the first 5 minutes of driveing almost cutting out at times. I dont know if this is a bad fuel injector or something else??

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SCAN CAR IT COULD BE FAULTY EGR VALVE OR IDLE SPEED TOO LOW.IGNITION TIMING OFF.FUEL INJECTORS DIRTY NEED CLEANING.

Posted on Aug 01, 2010

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Posted on Jan 02, 2017

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My 94 Toyota Camry 4 cyl is running really rough and stalling out once the engine warms up


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Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

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Some other easy items to check. Remove and clean the MAF/MAP Sensor and the inlet to the thottle body with some brake cleaner/electronics cleaner. Also may want to try some Fuel Injector cleaner as well. The O2 Sensors usually require a special socket which you can buy at the local auto parts store, and you can also use a "Crowfoot" Wrench. Usually if the O2 Sensors are bad they will set off the Check Engine Light. Some other items to consider is a Rotor and Rotor Cap if you have a distributer instead of a coil.

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