Question about 1998 Pontiac Sunfire

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Car spits and sputters already replaced plugs and wires

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Check map sensor or mass air flow sensor

Posted on Sep 06, 2010

Testimonial: "thanks are teh map sensor hard to replace"

  • justin vanderpool Sep 07, 2010

    not the map sensor is not hard to replace

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Timing chain has broken or stretched 3 times in 9 mos. could this be a tensioner problem. i just acquired this vehicle with this problem, thnxx for any help.

Posted on Mar 26, 2011

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Might be a louse timing belt too. Check the timing. Hope this will help.

Posted on Sep 08, 2010

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1 Answer

Would the electronic distributor pickup cause a vehicle to spit,sputter and cut out at a high rate of speed ????


First you can not put Bosch plugs in it. Also watch cheap wires from parts house. Also check fuel pump pressure at high speed. Also watch for Catt converter plugging. Try unscrewing up stream o2 on both sides then drive. If goes away plugged Catt. You can scan those and see fuel values. Then you can tell. Any codes?

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Spits and sputters until warm


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Sounds like ignition problem, check all electrical connectors in ignition system for tight corrosion free connections, check condition of plug wires and distributor cap.

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After 150-200 miles, spits and sputters on


Clean throttle body, change fuel filter, plugs, and definately plug wires.

Egr seems to be common problem with these.

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Van Sputters And Loses All Power When I Accelerate


Internal combustion engines requires 3 things... fuel, air, and spark. You do not have enough of one or more of these. If the wires and plugs are old, change them.  Air filter, same thing.  Fuel filter can also clog up with stuff after awhile. When you take a look at the air filter check where the air comes from.  It is possible a little critter has built a home and blocked the air flow (rare, but, it has happened).

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Spits and sputters only at low rpms


electrical issus. have you ever replaced the spark plugs and wires? distributer cap and rotor? might be time to do this routine maintenence.

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check your spark plug wires.

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