Question about 1990 Chevrolet Lumina

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When driving, 1990 lumina starts chugging and wants to stall

I replaced speedometer rpm panel and throttle body because rpm was in the red and speedometer registered 60-80. Then it started to stall when first starting. Now it starts chugging and shaking after I have been driving it for about 15 minutes.

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Posted on Jan 02, 2017

Wood Chuck
  • 29 Answers

SOURCE: 1995 CHEVY VAN 20 305 WONT IDLE

Check your fuel pump presure. Pump is in the tank. Also try and loosen the fuel cap, the tank vent may be stopped up.

Posted on Sep 15, 2009

  • 3640 Answers

SOURCE: suburban stalls while driving

a bad crank sensor can cause this. shuts off while going down road, and will start about 10 min, later with no problems runs fine until it quits again. hope this helps,

Posted on Oct 07, 2009

  • 11039 Answers

SOURCE: Shakes while idling and sometimes stalls.

check for minor vacuum leak and map sensor,pcv,egr valve

Posted on Oct 13, 2009

SOURCE: My lumina stalls after 20-30 minutes of operation

Sounds like an electronic that controls ignition or fuel is getting heat soaked and failing intermittently. The ignition module would be where i look first. You could try locating it, starting the engine and using a blow dryer, heating it up. If it stalls once it gets hot from the blow dryer you've found the culprit.

Posted on Jun 19, 2010

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SOURCE: 1994 chevy lumina van. It will start and idle but stalls when gas

you have a fuel pump relay that may be defective, or fuel pump or maybe the crank position sensor,a cam position sensor.the best thing is to have a scan performed with an obd1 scanner and you will know where to start the repair.

Posted on Dec 05, 2011

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Please Help!!! Replaced ECM and truck immediately dies


Have checked the idle air control valve. If stuck closed it will not allow air to bypass the throttle therefore it will start and stall.

Jun 08, 2013 | 1990 Chevrolet C1500

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I have a 2002 Mitsubishi Galant and in lower RPM it wants to chug and hesitate a little but in high RPM it drives fine. The ****** shifts smooth so I don't think its that but Im not sure what else


Hello
The engine and transmission in this cars drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL THE DIAGNOSIS & TESTING IS COMPLETED.

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1990 4Runner, 3.0 L engine, won't hold idle, wants to stall, no power. Replaced Mass air flow valve sensor, replaced fuel pump, distributor cap and rotor, plugs. It has good fuel flow but only runs well...


Have you looked at your idle air control valve What is it? This is an electrically driven valve that allows additional control over the throttle at idle Where is it located? The IAC is located on or adjacent to the throttle body and consists of a small device held on by two bolts with an electrical connector.
How does it work? When the throttle is closed the throttle plate closes off any air from the intake manifold. In order to stop the engine from stalling due to lack of air the IAC opens a small valve allowing air to pass from the air ducting to the intake manifold. Often the IAC components consist of an air inlet port in the inside wall of the throttle body, immediately in front of the throttle plate, with a similar exit port behind the throttle plate. Connecting the two ports is a motor driven valve. When the valve is opened air effectively by-passes the closed throttle plate to maintain the engine at idle. The IAC also augments the throttle when additional power demands are put on the engine such as steering.


Symptoms of faulty IAC

  • Poor starting: If the IAC fails to open or the inlet/exit ports are clogged shut with carbon the engine may start and then promptly stall. The engine can be kept running by pressing the accelerator. However any additional demand on the engine such as power steering or putting the car into drive (automatic) will cause the engine to stumble badly and often stall.
  • Engine cut out: Even with the engine warmed when the vehicle is stationary such as at a red light the putting of the transmission into of 'drive' to pull away before the accelerator is pressed can cause the engine to stall. (Note this differs from the TPS fault which causes engine stall due to the accelerator being pressed too quickly)

How to check? Physically remove the IAC but keep the electrical connection to it. Temporarily block off the now open ports on the throttle, turn the engine on and examine the IAC valve action in response to additional loads (power steering inputs etc). The valve should open and close according to demand.

How to fix? If the motor of the IAC has failed then replace the IAC. If the valve is gummed closed by baked oil and carbon then clean it thoroughly with carburetor choke cleaner spray and a cloth. Similarly if the entry and exit ports on the throttle body to the IAC look blocked again clean them out thoroughly.

Jun 03, 2010 | 1990 Toyota 4Runner

1 Answer

Stalls at about 3400 RPM - Everytime!


u could have just replace the main relay and save a lot of money.

Jul 01, 2009 | 1996 Honda Accord

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Engine Stalls When stopped and in Drive


Question, did you replace the throttle body, or clean the throttle plate, it will carbon up and block air needed for the idling speed to be correct. Also check for vacuum leaks, as the older vehicles didn't have good vacuum hoses. Good luck

Apr 18, 2009 | 1990 Chevrolet Astro Extended

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'90 3.1 lumina euro idles ok but tries to stall when accelerated.


If the cat is red then it is probably plugged if the motor can't exhale it wont run at high rpm

Apr 11, 2009 | 1990 Chevrolet Lumina

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90 Chevy Lumina 3.1 Shut Down At Stop Sign


There is a white plug that goes into the top of the transaxile, (open hood, look on the right hand side down low, you see a plug with two wires on it, pull this plug out. The engine will run fine after this with no problems, something to do with tork lockup for fuel saving at slow speed, below 35km/hr It locks the transmission at the same speed as the engine for fuel savings. I owned a 1990 lumina apv and ran it with this unpluged for over 10 years. or you can take the cover off the transmission, take off drivers side tire, remove cover on transaxiles, the part in question here is a small solonoid that is very easy to remove and replace if you want but not necesary to do so,

Apr 06, 2009 | 1990 Chevrolet Lumina APV

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My 1992 lumina euro 3.1 chugs alot and stalls out to. Most of my friends say its the fuel system and others say it needs a tune up. I need help please car runs great dont want to get rid of it


hi f1
im dave
if thats all it does i wouldnt get rid of it .
does it stall out at idle or while driving?
while cold or hot?
there are many possibilities.
but a common problem on these 3.1s is the IAT motor or idle control motor attaching to the throttle body.
post me back

Jul 17, 2008 | 1991 Chevrolet Lumina

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