Chevy truck backfires and sputters

. And these issues can usually be traced back to the spark plug.

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Disconnect the wires and clean any debris in the connectors. Items I checked Immediately: - Pulled all Plugs and turned over motor – No noise or back firing heard. . 7 2wd/auto.

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Shares: 310.

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Sputtering on acceleration - Mechanics report that some engines sputter and sometimes backfire once passing 1000 rpm.

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We've recently replaced the exhaust manifold (the old one had a bunch of holes) and the O2 sensor. . Your Silverado's engine is a giant pump.

Chevrolet C1500 4x2: 1999 CHEV SILVERADO sputters and backfires 1999 CHEV SILVERADO sputters and backfires ,poor acceleration.

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Our factory-trained and certified technicians are the best in the business. Based on these findings I decided to pull the coil wire and turn the motor over. EdgarS · Registered.

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12400 1955 Chevrolet Cameo 235 CI. This causes the ignition cycle to begin late in the combustion chamber and ignite the fuel as the.

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1 - 20 of 67 Posts. .

. One of the most common causes of a sputtering engine is an issue with the vehicle’s fuel system—the filter, pump, and injectors.

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Check for vacum leaks. .

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. Ok I have a 1979 chevy k20 with a 350 in it.

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. The Mint 400 has announced that The Great American Off-Road Race will adjust their event dates and move to Wednesday, Dec Engine and transmission; Displacement: 421 After that and a spray down with carb cleaner and compressed air, new carb kit and an inline fuel filter installed, my 97 started like a champ (That's another story) In other words, ATV.

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. However, if I accelerate quickly the truck starts to sputter and bog down.

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Way back when, before the plenum job, I had a millisecond stumble and the truck threw a code for cyl 8 misfire. com 1998 C1500 & 1997 K1500 BURB.

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After changing the plugs, wires, rotor, cap, air firlter, checking fuses, my 98' Silverado 305 is not running well at all. I love this truck, and I wanna fix it. .