Top 20 2004 Pontiac Grand Am Questions & Answers

Seems that the IPC/BFC ACC fuse is responsible for the instrument gauges not working on your 2004 Pontiac Grand Am 3.8 Liter1. It is possible that the fuse is faulty and needs to be replaced. However, if the fuse is in good condition, there might be an issue with the wiring or the instrument cluster itself. Check the inputs (powers and grounds) going into the cluster with the key on using a voltmeter. Fix/repair wiring as needed or replace the instrument cluster as needed. A qualified mechanic might diagnose this --and a scan tool.

Question edited for clarity, add maker, toss in some CAPS. Question moved to model category. https://www.google.com/search?q=2004+Pontiac+Grand+Am.+Where+is+the+EGR+harness+location ..

Question edited for clarity. Question moved to model category. Jeff, our Pro Auto Tech and Electronics Wizard gives the best answer. Jeff Armer Nov 27, 2022 injector pressure sensor ???? It doesn't have anything like that, it has a fuel pressure regulator - vacuum operated . Hook up a scan tool and check for codes or take it to a qualified repair shop. Quit trying to play auto mechanic.

How are you 'locking it' to make the noise? clock spring connection and is a known issue. https://www.google.com/search?q=2004+pontiac+grand+am+horn+not+working What does 'cruise control' have to do with the horn not working? ..

Check the stater fuse and relay

1. Defective wiring 2. Defective socket

Tail lights, if both of them are out more than likely that's going to be a fuse. Dash lights possibly have a fuse of the thier own also but I would think they would work off your headlight fuse so you might have a separate issue there but always check the dial that increases the light just in case it got lowered somehow.

There are no adjustments you can make . Idle is controlled by the PCM - engine computer via the IAC - idle air control valve. Changing the fuel pressure regulator shouldn't have changed the idle at all . So , what did you do wrong .

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If equipped with an anti theft system it may be malfunctioning or have a bad sensor . The horn switch or relay may be bad also .

No, but the relay could be shorted.

One possibility is the temp sensor,if it does know it's a cold start ,it won't have an enriched fuel mixture to start. Change it or put on a scanner and look at the temp sensor reading when cold.

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For DIY, try to replace the switch 2. Locate the flasher unit and see if the noises coming from there.

Replace the turn signal switch

Depends, you can get a clip from ebay to put wiper arm back onto the motor. About £4.

This sounds like a worn out cv joint. You should have a qualified mechanic check it out. It is impossible to say for sure what it is without checking it.

Check for spark. If no sparks, suspect crankshaft sensor. If sparks are good, check for vacuum leaks. Do It Yourself Diagnosis and Repair

Look at fuse #1. It should be a 30 amp fuse. How did you test your battery? How old is your battery? Do you charge your battery yourself? If you battery is old, it may not have enough amperage to turn the starter. What you are looking for is cold cranking amps (CCA). Have your battery tested at any store that sells matters and have then read the CCA. Your batter may indicate 12V on a multimeter but that does not indicate that the CCA is where it should be.

Testing fuel pressure with the proper testing equipment would be the best way , not by dribbles out of the fuel system test port . Fuel pressure gauge can be bought for $ 25.00 buck's ! What engine does it have 2.2 -4cylinder or 3.4 l V-6 ? Pull the plug wires from the same coil pack , crank the engine , is there spark ? Fuel pressure should be 52-59 psi) . I can't see that replacing the O2 sensor would cause a no start problem , unless you unhooked something your unaware of . Find out what the fuel pressure is and if it has spark an go from there .