Question about 1998 Pontiac Grand Prix

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I connected the wrong ignition coil wire from the spark plug and now my r m p instrument cluster will not work

I recently had my 1998 grand prix se, 3.1 v6 engine replaced with another 3.1 v6 engine. the engine runs fine, the problem is the rpm cluster will not work, it engages when I first turn on the ignition and then stays down, i was told that the repairman may have connected the spark plug wire to the ignition coil wrong? Also my traction control lite on the dash board will not go off, no matter how many times I push the bottom. before the repairman replaceed the engine all of the things i describle above were working fine. what do you think?

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  • Pontiac Master
  • 42,218 Answers

Probably didn't connect the tacho wire to the right side of the coil for the first problem
because the engine was replaced it is possible that a sensor wire to a wheel for the traction light was damaged /disconnected

Posted on May 05, 2017

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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: 96 grand prix se engine problems

Your problem may be a faulty (shorted) ignition coil housing assembly (the white plastic cover housing the coils its bolted to the aluminum cover) change that along with the spark plug boots ( the boots are optional but I recommend it) that should get your Grand Prix running smooth. Good luck and keep me posted, be glad to help

Posted on Jun 10, 2009

Hrnsly
  • 154 Answers

SOURCE: 97 grand am, v6. replaced instrument cluster.

Call dealership and find out if it's a "PMI" system. If it has to be PMI'd at the dealership, then the old instrument cluster has all the old data in it. You have to remove all of the data from the old instrument cluster and put it in the new cluster before the car will run.

Posted on Aug 01, 2009

  • 15 Answers

SOURCE: i have 1988 pontiac grand prix se with 2.8 v6 i

this engine is turned sideways in the engine compartment. looking at the front of the engine, where belts and pulleys are mounted, the odd number cylinders are on the left, the even to the right. starting from the front of the engine, counting towards the rear, the cylinders are numbered 1, 3, 5 on the left and 2,4,6 on the right. remove the spark plug in the number one cylinder and place a peice of tissue in the hole. now crank the engine in very short bursts. as soon as you hear the engine crank, let off the key. check for the tissue to fly out of the spark plug hole. once the tissue flies out, the number one piston is up. now you need to take the cap off the coil, and see where the rotor is pointed. hold the cap over the rotor to see which terminal lines up with the rotor contactor. connect one end of the plug wire to the corresponding terminal, and the other end to the number one cylinder spark plug after it is reinstalled. from here the coil terminals are numbered in a clockwise direction. the firing order for your engine is 1-2-3-4-5-6, so you just connect one end of a plug wire to the number two terminal, and the other end to the spark plug in the number two cylinder. repeat this procedure for the remaining wires,

Posted on Jan 21, 2010

  • 1757 Answers

SOURCE: have 1988 pontiac grand prix se with 2.8 v6

My sincere apologies for the delayed response.
I am personally going back to answer your unanswered question.


For the 2.8L
Firing Order:
1-2-3-4-5-6

Cylinders:
......(back)
1.......3.......5
2.......4.......6
......(front)

Ignition Connections (Spark Coils):
........(back)
.|.1..4.|.|.6..3.|.|.2..5.|
........(front)

Again my apologies....
Let me know if this helped...

Posted on Mar 16, 2010

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1 Answer

My 1989 pontiac grand prix keeps stalling once it is warmed up after about 15 minutes of idle.


No, not the oxygen sensor. A couple of things you need to make clear. What light flickers, then stays on? That can't be a sensor light, it would have to be the "check engine light" or an engine temperature light (for like when your cluster has no temperature gauge, but just the "red light").
At any rate, the sensor you changed is not the engine temp. sending unit for the instrument panel. I believe on your '89 there would be two sensors for temp. One is the CTS for the engine computer, and the other is a sending unit for the dash, probably a 1 wire connector. It could be at fault, but it wouldn't cause stalling, I do not think anyway.
If it stalls and won't restart until cooled, this is a symptom of loss of ignition (spark) caused by either a faulty coil, or faulty Ignition Control Module (the coil controller), or last a faulty Crank Position Sensor (this sensor used by computer to determine ignition spark timing). You could test if ignition is lost, by checking for spark right after the engine warms and then stalls. If you have no spark to a spark plug right after it stalls, this is the reason for stalling. Usually it is the crank sensor, rather than the ignition control module or an ignition coil. Your car has 3 coils anyway in a "coil pack", so if one coil went bad, you'd still have two good coils, but engine would only be firing on four of the six cylinders-could easily stall a car.
You should check for trouble codes whenever you have a problem. A code might have been set. Easy to check for codes on your car, just ask if you don't know how-only takes a jumper wire or even a paper clip works. good luck.

Jun 16, 2016 | 1989 Pontiac Grand Prix

3 Answers

Removing Plug Wires from '02 Pontiac Grand Prix, 3.8 Liter V6


often times the connection inside the plug boot gets corroded and it's almost impossible to remove the wires with out damage. when this happens I gennerally replace the wires anyway this saves you problems in the long run . the sparkplug wire removalk pliers are a good investment however they are only as good if the boots themselves are not siezed up on the plugs. I have had this happen alot over the 20 years i been working on vehicles. I usually just twist and pull on the boots till they come off and not worry about damaging them because they should get replaced anyway the new plug wires have a antiseize lubricant to keep from this happening in the future

Apr 26, 2009 | Pontiac Grand Prix Cars & Trucks

3 Answers

Can catalytic converter on 98 Pontiac grand prix cause misfire on cylinders in car


No, a plugged converter would cause the engine not to breathe properly. Too much back pressure would stall the engine or make it run very poorly. It would not be local to any one cylinder-all of them would be affected.

To diagnose a misfire in one cylinder, well, you start at that cylinder. It could be ignition related- the spark plug and spark plug wire for #6, possibly the ignition coil for #6 in the coil pack for the engine. (A v-6 would have 3 coils in the coil pack, one coil for 2 cylinders.) It could also be fuel related, so the fuel injector for cylinder 6 should be considered. And the last reason for a misfire is usually the most expensive repair: low compression in #6. This may be a head gasket problem, or a piston ring problem, or one of the valves for #6 may not be sealing well, causing low compression and the resultant misfire. The engine computer codes a misfire when it senses low power output from that particular cylinder. The misfire causes a lag in crankshaft rotation, and the crankshaft position sensor senses it.

Feb 01, 2015 | 1998 Pontiac Grand Prix

1 Answer

Speedometer works but not the rpm gauge 98 Tahoe 5.7


The speedometer is operated differently then the tachometer. Tachometer
The tachometer displays the engine speed in revolutions per minute (RPM). Voltage pulses are taken from the ignition control module (ICM) (Gasoline) or the generator (Diesel) and sent to the tachometer. Solid state circuits convert the pulse frequency in order to move the pointer of the tachometer.

Tachometer Inoperative (Gas)
Step
Action
Value(s)
Yes
No
1
Did you perform the OBD II System Check been performed?
--
Go to Step 2
Go to Powertrain On Board Diagnostic (OBD) System Check (5.0L/5.7L); Powertrain On Board Diagnostic (OBD) System Check (7.4L)
2
Remove the I/P Cluster.
Disconnect the Ignition Coil connector.
Connect a J 39200 DMM (continuity) between I/P Cluster connector cavity 6 and ground.
Is continuity present?
--
Go to Step 3
Go to Step 4
3
Locate and repair the short to ground in CKT 121 (WHT) between the Ignition Coil and the I/P cluster. Refer to Wiring Repairs in Wiring Systems.
Is the repair complete?
--
Refer to Instrument Cluster System Check
--
4
Connect a J 39200 DMM (continuity) from I/P Cluster cavity 6 to ignition coil connector cavity B.
Is continuity present?
--
Go to Step 5
Go to Step 6
5
Replace the I/P Cluster. Refer to Instrument Cluster Replacement .
Is the repair complete?
--
Refer to Instrument Cluster System Check
--
6
Locate and repair the open in CKT 121 (WHT) between the Ignition Coil and the I/P Cluster. Refer to Wiring Repairs in Wiring Systems.
Is the repair complete?
--
Refer to Instrument Cluster System Check

Dec 26, 2014 | 1998 Chevrolet Tahoe

1 Answer

Wont start, engine turns strong, new battery, new plug wires?? Thinking coils are bad???


take off one plug wire from one of the coils, turn starter and see if a spark jumps, you will be able to hear the sparks if you are by the door turning the key. if you get no sparks the ignition module is bad, if you do get spark try same test for remaining plug wires one at a time. you may have a bad coil

Sep 23, 2011 | 1998 Pontiac Grand Prix

1 Answer

My grand prix shakes when i go up a hill or start out. i have good tires


If the shaking is caused by the engine missing (a misfire on 1 or more cylinders), then
check your (a) spark plug wires - pull each and check for continuity/faults/burn marks/etc., (b) spark plugs - pull each & check for fouling/faulty/etc.
Another good check for spark plug wires is to park in a dark area at night (open garage with the
lights out works), run the engine and observe the engine operate in the dark - little lights caused by
faint arcing means that the wires are leaking electricity to the engine block, instead of delivering it
to the spark plugs, like they should.
Your particular car has a Distributorless Ignition System (DIS), consisting of an ICM (Ignition Control
Module) connected to an individual coil pack for each pair of cylinders. You'll need a
HEI (High Energy Ignition) ignition system tester (about $30-$45 any auto parts store) to test
these coil packs, which I have found quite easy to replace (usually a couple of 10mm cap screws).
Since the car shakes only when accelerating or going uphill, I tend not to think that suspension
components of the car are at fault.

Mar 16, 2011 | 2000 Pontiac Grand Prix

1 Answer

;where are the plugs and wires on the 96 grand am se


FOR THE 2.3L ENGINE IT HAS THE INTEGRATED DIRECT IGNITION SYSTEM.YOU HAVE IGNITION COILS WITH PLUG BOOTS OVER SPARK PLUGS.YOU HAVE TO REMOVE ENGINE TOP COVER TO REMOVE COILS AND BOOTS FROM SPARK PLUGS.

Dec 02, 2010 | 1996 Pontiac Grand Am

1 Answer

Does the crank sensor send the spark to the spark plug and can i fix this? this is for a 98' pontiac gran prix


yes the crank sensor sends a signal to the computer to fire the plug through the ignition control module which then fires the coil.

May 28, 2010 | 1998 Pontiac Grand Prix

1 Answer

Have 1988 pontiac grand prix se with 2.8 v6


My sincere apologies for the delayed response.
I am personally going back to answer your unanswered question.


For the 2.8L
Firing Order:
1-2-3-4-5-6

Cylinders:
......(back)
1.......3.......5
2.......4.......6
......(front)

Ignition Connections (Spark Coils):
........(back)
.|.1..4.|.|.6..3.|.|.2..5.|
........(front)

Again my apologies....
Let me know if this helped...

Jan 22, 2010 | 1988 Pontiac Grand Prix

2 Answers

96 grand prix se engine problems


Your problem may be a faulty (shorted) ignition coil housing assembly (the white plastic cover housing the coils its bolted to the aluminum cover) change that along with the spark plug boots ( the boots are optional but I recommend it) that should get your Grand Prix running smooth. Good luck and keep me posted, be glad to help

Jun 10, 2009 | 1996 Pontiac Grand Prix

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