Question about 1998 Oldsmobile Bravada

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New spark plugs gone out

I replaced my 98 olsmobile bravada engine due to it throwing a rod with a used engine and i put on new spark plugs, wires, rotor, crank sensor, cam sensor, and mass air flow sensor. what can cause my new spark plugs to burn out

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  • cbjshorty Dec 17, 2008

    they appear dark black

  • Scott Resnick May 11, 2010

    Explain burn out.


    Are the electrodes melting?
    Are the plugs fouled with gasoline or Oil?
    Gasoline would have heavy fuel odor, oil would appear dark black or blue possibly with small clumps of oil.  keep me posted

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If the odor is not heavy gasoline, then they appear to be oil fouled. The cheap fix is to buy at any auto parts store oil burning plugs or sleeves, these will keep the spark plugs slightly further out of the cylinder, out of the oils way, and should provide a reasonable resolution.

Check the PCV valve and hose, if they clog they will cause oil to enter engien cylinders. keep me posted

Posted on Dec 17, 2008

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1 Answer

Where are the spark plugs located on the 98 oldsmobile bravada?


On a Bravada, the engine is positioned so that you have 4 cylinders on your left and right in an 8 cylinder, and 3 on each side in a 6 cylinder. If you look on each side you will see separate valve covers, About 4 inches below these covers are where your spark plugs go in. They will be between your exhaust pipes, where they mount to your engine.

Jan 03, 2012 | 1998 Oldsmobile Bravada

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Got a p0304 code come up on my 2002 olds Bravada, replaced camshaft and it still didnt fixed it?


P0304 Code - Cylinder #4 Misfire Detected
A P0304 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #4.

Symptoms may include:
* the engine may be harder to start
* the engine may stumble / stumble, and/or hesitate
* other symptoms may also be present

Causes: A code P0304 may mean that one or more of the following has happened:
* Faulty spark plug or wire
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector
* Burned exhaust valve
* Faulty catalytic converter(s)
* Running out of fuel
* Poor compression
* Defective computer

Possible Solutions:
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.


Hope helps.

Apr 09, 2011 | 2002 Oldsmobile Bravada

1 Answer

How to replace plugs & wires 98 bravada i cant find them under the hood


remove front tires and access plugs after taking inner-fender splash panels off. Remove wires with a long hook tool carefully pulling at end of boots. One plug may be blocked by steering shaft. Use hex-ended spark plug socket with open-end wrench to remove that one. Have Fun!

Jan 13, 2010 | 1998 Oldsmobile Bravada

1 Answer

I have abmw 3 series 1996 parked it last night perfectly ok this morning it wont start the engine turns over very quick as normal could it be because its damp and cold outside what do you suggest?


I would replace Distributor Cap & Rotor; and especially all Ignition Wires (aka: spark plug wires) When it is damp outside, old and possibly cracked wires is the leading cause of engines not starting due to wires arcing (throwing sparks to other parts of the engine) and causes no spark where it is really needed and that is at your spark plugs so the engine will start.

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I always replace plugs with same brand and number as came out whenever possible, just for that reason. I've seen too many engines run bad after changing from manufacturers recommended plugs.

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Throw a rod


This is caused by a lack of oil to the rod bearing. Financially it will be cheaper to get a used engine and replace it as a whole. but if you desire, remove engine, turn upside down, remove oil pan, remove piston rod and bearing cap assy, inspect bearing, will be blue or locked and frozen/welded to the crank due to lack of lubrication. Keep me posted.

Dec 18, 2008 | 1998 Oldsmobile Bravada

1 Answer

Spark plugs 2 98 bravada


use oil burning sleeves from any auto parts store, the screw right on the plugs, and hold the spark plugs out of oils way.

also check PCV valve and hose for clog. if they are clogged it will cause oil to burn in the cylinders. keep me posted

Dec 17, 2008 | 1998 Oldsmobile Bravada

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