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Engine Mechanical: "Fuel Injection"
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"Injectors, Fuel Pump, Throttle Body" Select Make, Model, Year and Subject

I strongly suggest that you get the car to a good local shop so they can properly diagnose the problem. The most likely cause of popping through the throttle body on...more

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Buick | Backfires | Ignition

Something starter/charging system related. If you mean the engine cranks over but won't start, it gets more complicated and requires further testing...more

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Chevrolet | Won't Start

1987 Corvette which has a poor idle and is sometimes hard to start. This car has 25,000 miles on it. I pulled out the spark plugs, and found...more

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Chevrolet | Idles Rough | Hard Start

The problem you're describing affects multiple GM vehicles with the 3100 and 3400 V6 engines, and causes a variety of performance-related symptoms...more

With the key on and the motor off the injector injects gas and floods the motor so it won't start. It does this intermittently. Now I can't get the gas to inject at all...more

OK once it starts, that should eliminate mechanical engine issues. After that it's all fuel. Delivery from the tank, operation of the injector pump, the injectors...more

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GMC | Won't Start | Diesel

Not always, but a lot of the time a good cleaning of the carbon build-up on the backside of the throttle plate and inside the throttle bore will fix the problem...more

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GMC | Engine Maintenance | Stalls

It says EFI (Electronic Fuel Injection) when there is a carburetor sitting on top of the engine. I'm sure there's something obvious we're missing here, like an electronic carburetor...more

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GMC | Carburetor

CPI unit went "out" according to the repair shop. It cost me about $700 to replace it. Within three months it happened again. The engine had a rough idle...more

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GMC | Idles Rough | Hard Start

About a year ago I was told that I had a carbon build up. I could stop at a light or slow down to turn a corner and the engine would stall. After putting in injector additive while filling the gas tank...more

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Lincoln | Stalls | Maintenance

Supercharged 3.8-liter V6 engine speed increased to 3,000 RPM when at a light, and would not come down. The car has less than 60,000 mile and never had an engine problem...more

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Mercury | Idles High
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