Question about 1997 GMC Sierra

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Foul no 4 plug new cat plugs wires dis cap rotar button only happens in hot weather taken to dealership new plugs new o2sensor one week later same problem

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Replace the valve seals for # 4 cylinder, they are allowing excessive oil to be pulled into the combustion chamber through the valve guides, these go because the #4 cylinder runs the hottest..

Posted on May 11, 2009

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Trying to attach the plug wires on my '93 Camry to the rotar cap. What's the sequence ? My manual doesn't have my engine model diagram. F 5 LE


The internet has a picture-google it

Next time make a drawing

Mark the wires with a ball point pen

Nov 21, 2014 | 1993 Toyota Camry

1 Answer

1994 plymouth grand voyager not fireing at coil also fuel pump not working drove home now won't start lady lost husband with 3 kids 1 grand kid needs help


No spark at the coil replace all spark plug wire and coil wire but start with fuel pump first it wont start anyways without fuel id look into a new cap and rotar with the plug wires might get lucky and find a distributor at a wreckers for the same price as cap and rotar

Jun 10, 2014 | 1997 Chevrolet Blazer

1 Answer

My 1996 oldsmobile 88 has been running terrible for the last month and gets worse every week. It won't go when I have the gas pedal floored sometimes, and then it will slowly get up to speed but takes...


Hello there good man or woman

Lets start off like this there is 50 different things that can cause these issues but will start with the simple things in a list. So here it goes

1. bad spark plugs (carbon fouled,fuel fouled,oil fouled, heat glazed, or just worn out rounded electrode's )
2. spark plug wires (there is no simple way to check this but there cheap and easy to try)
3. distributor cap & igniton rotor (or coil pack if so equipped) could be corroded carbon glazed heat glazed again thought both rotor button and distributor cap are cheap and easy to change. If it is a coil cheap to and just as easy on both this is were plug wires connet to on the oppsite end of spark plugs.
4. coil pick up (this sits underneath distributor cap and rotor and is cheap and easy to fix aswell)
5. clogged air filter
6. bad pcv valve
7. bad egr valve
8. bad fuel pressure regulator
9.bad fuel pump or clogged strainer
10. vaccum line leaking or off

I know with all that being said may sound overwelming but most are easy to fix and cheap this is what i would so first do a good tune up this includes new spark plugs , plug wires, air filter , pcv valve,fuel filter distributor cap and rotor (or coil pack if so equipped ) .

That will most likley fix your problem

If it helps please leave 4 thumbs up and if it works a testomnial thanks

May 20, 2011 | 1996 Oldsmobile 88

1 Answer

Missing put tuneup on spark plug and wires dis.cap and rotor pickup coil ignition coil run better for maybe 1-2 week now about same


Have the system scanned for codes. Remove the plugs and check for fouling. A fouled plug can indicate a bad injector or bad piston rings. There are other plug conditions that you need to pay attention to as well. Find a chart in any good manual.
There is no one "solution" for your problem. Could be from a bad temp sensor, bad O2 sensor, manifold air temp sensor or something else. That's why testing is so important.

Aug 31, 2010 | 1996 Jeep Grand Cherokee

1 Answer

Car stalls but starts back up


It had a new cap and rotar and plug wires put on from the people I bought the car from .People told me it started having this problem after they installed the new parts they bought at Autozone so I went and purchased the factory wires ,and dist.cap from a reputable parts store and replaced them and bingo ,no more problem.When buying ignition parts do not go cheap and buy from Autozone.

Mar 14, 2010 | 1994 Geo Prizm

2 Answers

Replaced plugs,distributor and rotar still has miss


remove plug wires one at a time wile vehicle is still running. make sure put it back before you take the next off. you can tell what cylinder is causing the problem if doesn't change. you may new wires or you may need to take compression test.

Feb 07, 2010 | 1985 Ford F150

2 Answers

Failed spark coils on my 1999 Lexus ES 300. Replaced one last March and two more last month. I read that fouled plugs could cause coil failure. Since the recommended schedule for ''hard driving...


exposure to heat, weather,salt in winter and water make them more susceptible to failure I would change them knowing that my others failed

Aug 25, 2009 | 1999 Lexus ES 300

1 Answer

#8 misfire


With the truck running, spray some water with a spray bottle on the wires and cap, also spray the coil. See if you can make it misfire by doing this. It may help to have a helper in the truck with it idling in gear. You may hav egotten a bad wire or plug, too. I find these run pretty decent with the Champions like they came with.

Jul 10, 2009 | 1999 Dodge Ram

1 Answer

Runs rich on start up runs ok when hot


The MAP (Manifold Absolute Pressure) sensor COULD be the culpret but first I would check the choke for proper operation.

Apr 07, 2009 | 1994 Volkswagen Passat

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