20 Most Recent 1998 Pontiac Grand Am Questions & Answers


If it's idling too low there's a problem somewhere perhaps the throttle position sensor or maf sensor, a scanner that can read the live data stream can quickly pick it out, Sensors can fail "in range" so they may not set any codes because the computer see's a valid nimber even though it's incorrect. If it has a maf sensor that can be cleaned with brake klenn or carb cleaner you might try it. I hope this helps. Take care.

1998 Pontiac... | Answered on Apr 22, 2019


Probably a little late, but for people in the future, pull down on the plastic cover from the sides, there are two pop in clips holding it there. You'll have to pull the roofing down a bit and you'll see two Phillips screws to release the light, then just change the bulbs. Mine said on the actual bracket that it only used 912 bulbs.

1998 Pontiac... | Answered on Aug 04, 2018


neither...rear main seal is broken do to the camshaft rubbing against it. Even fixing it with a new seal it will just leak again..best to just watch the oil lvl and add accordingly.

1998 Pontiac... | Answered on Sep 14, 2017


about the starter it sounds like the starter bendix is worn so I belive you should change the starter and it should work like it should, and since you changed the computer, you needs to do a relearn set-up

1998 Pontiac... | Answered on Jan 30, 2017


go to junk yard ,local auto store or dealer for loch or whole glovebox door --replacement easy lock remove the screw and replace lock ==whole door remove the screws and replace

1998 Pontiac... | Answered on Oct 05, 2016


The coils are under the top engine cover(four bolts,10mm) Unplug it and pull it up. Flip it over and there are four small bolts to remove to get access to the coils. Just a note. Most times the coils aren't bad. It is the white cover holding them. It cracks from age and heat, letting the spark threw to the engine.

1998 Pontiac... | Answered on Apr 17, 2016


Pontiac Grand


for the easy solution download the pdf file

1998 Pontiac... | Answered on Apr 12, 2016


On most models code 40 means the harness connectors for the two O2 sensors are reversed.

1998 Pontiac... | Answered on Apr 09, 2016


Possible that you didn't connect the solenoid after repair? Or possibly need a new one?

1998 Pontiac... | Answered on Mar 18, 2016


Post a picture , an which engine does yours have ,3.1 L or the 2.4 L could have either one .Doesn't want to start how ? When you turn the key to the start position does the engine spin ,turn or nothing ? There are no relays involved in the starting circuit of your vehicle . Are the thing's your trying to describe a 1in. square box ? If so these are relays . When does it make noise ,when you turn the key on ? The fuel pump relay will energize for a couple of seconds when the key is first turned on .
(1)

A/C Compressor Clutch Relay
(2)

Fuel Pump Relay
(3)

Cooling Fan Relay
(4)

Blower Motor Relay

1998 Pontiac... | Answered on Feb 22, 2016


they could be impact sensors for the airbags .

1998 Pontiac... | Answered on Feb 13, 2016


I have the same car and problem it also makebmybtrunk open i think its the auto lock sensor sensebthat hasnt been working

1998 Pontiac... | Answered on Jan 13, 2016


YOU MUST REMOVE POWER STEERING PUMP, AND BELT THE SENSOR IS UNDER THE PUMP IN THE BLOCK.

1998 Pontiac... | Answered on Nov 20, 2015


Put a peice of wood on the jack saddle and jack the vehicle on the passenger side pinch weld if you are using a floor jack. If using factory jack... It fits over the pinch weld right below the rocker panel. Put jack stand under lower control arm

1998 Pontiac... | Answered on Apr 11, 2015


usually put jack under oil pan with a board on top of jack . no stands required .

1998 Pontiac... | Answered on Apr 11, 2015

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