Question about 1993 Chevrolet Lumina

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1991 chevy lumina 3.1L engine, how do you fix no tack signal to the ecm?

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Chk coil wiring under hood

Posted on Jun 07, 2009

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I just replaced the spark plugs on a 1991 chevy lumina and cleaned the iac and in the process of changing the back plugs the vaccum line to the map sensor was broke,it was hard plastic.i replaced it with...


Well sometimes it takes up to a 100 miles to the module to get things straight! Two many censers map ,maf , knock. cam,o2,and so on! Drive it for a bit and see if it will reconfigure it's self! My opinion I could be wrong! Good luck!!

May 18, 2014 | 1991 Chevrolet Lumina

1 Answer

Where is the antitheft system located in my 2001 chevy lumina


its called VATS and 90% of your anti-theft system is in that key you put in your ignition called micro chip that sends signals to the ECM

Jan 12, 2013 | 2001 Chevrolet Lumina

1 Answer

Where is the crankshaft position sensor on 1991 chevy lumina


I may need your vin? Look on the backside of engine block, down low. May have to get under vehicle. Two wire connector, purple and yellow.

If not there, check down by crankshaft pulley.

Apr 23, 2012 | 1991 Chevrolet Lumina

2 Answers

Speedometer not working


Rerplace the speedometer cable as well as the speedometer,if it still does not work,chck the fuses!

Jan 25, 2012 | 1991 Chevrolet Lumina

1 Answer

1991 chevy lumina ,run rich,run run for 5 min an stall


tuneup the engine. replace plugs, wires, oxygen sensor last. put fresh gas in and cruise on the highway.

Jun 21, 2010 | 1991 Chevrolet Lumina

1 Answer

My 1991 chevy lumina has no power when i put my foot into it and it's running rough like it wants to stall. Could this be the coil pack?


could be a few thing , have it put on a real time scanner, not a code reader, blue streak makes a good one, have someone monitor the engine activators and sensors, also hook up a furl pressure guage to monitor

May 10, 2010 | 1991 Chevrolet Lumina

1 Answer

Motor turns over good but wont start


please.. 1991 chevy lumina..mech has car for 4 days..
repl ICM.ECM..checked ..all fuses.cranks..no run..smell fuel.
says spark good.Fuel press @ 42. put light on fuel injec sensor
..tells me weak signal( light shud be brighter) .Says it ran once
in 4 days for 2 min & died..." tells me injectors not accepting fuel

Jul 28, 2008 | 1991 Chevrolet Lumina Apv

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