Question about 1990 Chevrolet Lumina

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ECM and TCM located on 1990 chev lumina 3.1 - 1990 Chevrolet Lumina

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  • cj_lloyd
    cj_lloyd Jan 04, 2013

    where is my EGR valve on a 1990 chev lumina with a 3.1 v6

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  • Chevrolet Master
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I don't think it has a separate TCM, the ECM or computer is on the passenger side of the engine compartment near the headlight.

Posted on Jan 04, 2013

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ronaldwalden
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SOURCE: how do u change the back side of the plugs on the

Remove 2front engine dog bones.They have a tool that connects there that pulls the engine to the front of the car to get to the back plugs.

Posted on Nov 03, 2012

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1 Answer

2008 Buick Lucerne V8.Where are the ECM and PCM located?


Engine Control Module (ECM) (LD8/L37)
Front left side of the engine compartment, inside the air cleaner housing.
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At the left rear of the engine compartment, on the strut tower
They call it a PCM when TCM an ECM are all in one module. You have ECM an TCM

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How do u change the back side of the plugs on the 1990 chev. lumina


somtime's on a front wheel drive car u have to get to them from under thr car

Jun 05, 2010 | 1990 Chevrolet Lumina

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How do i test injectors on 1990 chev lumina. no start cond. 3.1 v-6


You can use a Noid Light to connect to the injector plug and see if you have power going to the injectors. You can also check the resistance in Ohms of the injectors, I'm not quite sure on the resistance value, it varies from model to model.

May 22, 2010 | 1990 Chevrolet Lumina

1 Answer

I have a 1996 chev lumina will not crank not getting any fire i have change both crank sensor i have try another ecm i had coil moduel tested had locksmith come out and check key the car will turn over not...


it could be as simple as a fuse locate the fuse panel the fuse could say ignition, starter, or crank but if any thing look at all of them, if not a fuse have starter checked. also make sure battery cables are tight

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Hmm, been a while since I played with one of them, but I do recall a simular problem. Try this,,, locate your ECM that you replaced,find the orange wire, and trace it back. I have found breaks in this wire in different places, mostly in the harness running under the rad support. The orange wire is a power wire for the ECM.

Jul 30, 2009 | 1994 Chevrolet Lumina

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It is behind the side pan. driver's side of course. 3 speed trans I presume?

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1 Answer

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sounds like you have a bad starter try to hit the starter with a hammer to see if it starts if it does replace starter or check for power at the small wire on the solenoid

Mar 10, 2009 | 1990 Chevrolet Lumina

1 Answer

1990 lumina


on the drivers side below the dash you should either see a panel labeled fuses. if you have the owners manual look in there it will tell you

Jan 19, 2009 | 1990 Chevrolet Lumina APV

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