Having problems with your 1999 Chevrolet Blazer ?

Spark plug gap for 99 chevy blazer 4x4 4.3l vortec

Posted / edited by AnonymousUser on : 15-01-2018

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Spark plug gap for 99 chevy blazer 4x4 4.3l vortec


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I have a problem with a chevy S10 blazer 4.3L CPI (VORTEX) 4x4. I have changed the MAP sensor Coil Spark plugs Spark plug wires fuel filter and battery. The fuel pump works fine and it rolls over. When it does start it will stall within 5 mins unless you keep accelerating. Can't find out the problem. No engine codes either.


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1994 S10 Chevy Blazer 4x4 w/4.3 Vortec engine stops after 6 minutes. Car runs 6 minutes then stops. Fuel pressure, oil pressure, temperature and spark ignition all good. Fuel injectors not energized. Exhaust coming out of exhaust pipe when running. Service engine soon light doesn't come on. Wait half hour, car will restart for 6 minutes, then stop again. Changed ECM and still has same problem. Do you think ECM, PROM or sensor problem?


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I have a 94 chevy s10 blazer. It has the 4.3L Vortec. When i get in traffic or if i leave my truck running without moving for any period of time it starts flooding itself out and sputters. When it starts bogging down the engine it wants to shutoff. It will crank right back up though. But if i dont let it sit for a while it will continually get worse. I have changed the spark plugs and wires, the coil pack, and the distributer cap. Do you have any idea what is making my truck do this?


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I have a 1993 chevy blazer k1500 4x4 350 5.7 truck is running too rich.I replaced the cts,trottle body,spark plugs,wires,o2 sensor and still it runs too rich sometimes you could see some black smoke from the tailpipes


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SPARK PLUG GAP ON 84 CHEVY BLAZER - Cars & Trucks


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My 1994 chevy s 10 blazer starts only in morning or after sitting for a long time(1 or 2 days) has new fule pump fule fliter fule presser is great have strong spark new plugs and wire relay is good motor is 4.3 liter vortec


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