Question about 1996 Pontiac Bonneville SE CA Value

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Loss of engine spark ,then comes back

Engine will start run car for 30min or more at times will restsart and times were will not and thier is no spark.let car sit for couple hrs or at times a day then restarts

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Check your fuel pressure regulator on your fuel rail. The regulator will go bad causing this vehicle to act this way.

Posted on Nov 07, 2008

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The car start, run ,and you can turn it off it take about 30min. Before it start back up.


Consider replacing the crankshaft positioning sensor. A crank sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control ignition system timing and other engine parameters.
The simplest and most obvious symptom of a failing crankshaft position sensor is the blinking "check engine" light in your car.
According to Do It Yourself.com "When the crankshaft position sensor begins to fail, the signal it transmits to the vehicle's computer begins to weaken. If left unattended, the signal will switch off completely. This, in turn, causes the car's spark plugs to die out, killing the engine. If you are having problems starting your car, it could indicate bad crankshaft position sensor".

Of course this may NOT be YOUR problem, but it sounds like it could be, doesn't it?

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Spark plug and ignition coil problems.... plugged cat?


romove poping plug start engine if thier is major air pressure coming outyou have ahole in your piston replace piston overhaule kitand new piston possible thred damage on head,replace cat,and get a dog:) good luck.

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My check engine light came on and the motor seems to be shaking? I drive about 30min to work and about 30min home, so I'm not sure if I will have time to take it in before I go to work? What seems to...


It is most likely a misfire, especially if the engine light starts flashing. Most misfires are due to the secondary ignition system wearing out (spark plugs and wires). I would replace the spark plug wires first as they are the more common cause, but it's a good idea to replace the plugs too.
**Note - if the engine light is flashing, it indicates catalyst damage at that time. Driving a vehicle for prolonged periods with the engine misfiring will result in catalytic converter damage.

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hav u used a compression tester on the vehicle-must read values to confirm--it may be other things that appear to be the problem-if there is a low reading then rings/valves/oilpress or heads are of concern

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My 1987 Lincoln Town Car runs fine for about 30 min and shuts off


replace fuel filter and (clean or replace) air filter. then pressure test fuel system.

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check to make sure the catalytic converter is not clogged,easy way to test is remove the oxygen sensor before the converter and see if the engine still runs if so cat is probably clogged,get back to me if you need more help,please rate my fix as i strive to be the best Thanks Ray

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1 Answer

P reg renaullt clio [petrol engine] - power loss


Well the same thing happened to me a few months back with the exact same car but what i noticed was when i was changing the spark plugs one of the HT leads had come off the spark plug so i fitted new spark plugs and re-fit the HT leads properly - Problem solved :D

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1999 grand cherokee stop running of the engine after 30mints from


you need to change your distributor module . The module gets hot and won't allow it to send spark to the plugs until it cools. Ask a person at your local parts store and they will show you the module and show you how to install it.
God Bless Greg

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