91 Chevy Lumina Stalls after running for 5 minutes

380

Asked by Ranger83 Jul 01, 2010 at 05:13 PM about the 1991 Chevrolet Lumina

Question type: Maintenance & Repair

Just bought my son a 91' Lumina with a 3.1 engine.  Starts up when cold and runs fine, idle lopes a little bit though.  After 5 minutes it stalls and won't restart until it cools down.  It's getting fuel and the throttle postition sensor is new.  Any ideas?

39 Answers

21,135

When your car is "cold" and you start it, the system runs in a closed loop mode for about five minutes, then switches to an open loop and accepts readings from all the sensors. If any sensor is out of adjustment, they will start showing problems at this point. My question to you is.... When the throttle position we replaced, was it adjusted to match the original "clocked" position? Most GM tps sensors allow for adjustment. If it is slightly out of adjustment, the car will not run (or have a high idle) when the system switched into open loop mode. Not all tps sensors are like that, bu it is worth a second look. I know when I replaced the one in my cavalier, it was a btch making it talk to the computer right.. Honestly though, your problem could lie within any of the sensors you computer talks to in order to control the idle (tps, IAC, knock sensor, MAF/MAP, etc).

15 people found this helpful.
95

for all you people looking for help with your cars,(wiring diagram,fuel trouble,can i turbo it,port and polish,ect,ect,ect got to 60degreev6.com,this is by far the best site ive found,good guys,always helpful. but before you ask questions,just look at old posts. dont annoy them with questions they have already answerd a million times

8 people found this helpful.
380

I posted this on that site too, thanks. Replaced the crank sensor today with no luck, stalls a couple minutes after it starts. Could the egr cause this?

26 people found this helpful.
380

I have got 3 trouble codes: 22-TPS signal low but the sensor is new and installed correctly, can only go on 1 way 33-MAP sensor signal high and 35-idle speed error Does this help any of you narrow this down a little for me?

5 people found this helpful.
80

i believe it is the internal tempature switch

8 people found this helpful.
170

yes its the crank sensor its behind the coil packs replace and your on your way again

11 people found this helpful.
170

yes its the crank sensor replace and you will be running good its behind the coil packs

6 people found this helpful.
70

I'd go immediately to the IAC (Idle Air Control). Although the Throttle Position Sensor is probably the most frequently replaced, THINK about it. The IAC essentially replaced the old "automatic choke". It behaves exactly the same way. If the Automatic Choke wasn't either warming up via exhaust heat or a more modern thermal device, the Air mixture to the carburetor would run "rich" and cause fuel fouling. More often than not, there is crud on the IAC or the passageway to the throttle body. Pull it out, give it a good duche with carb cleaner and clean out the passageway with a q-tip soaked in carb cleaner as well. It''ll be loaded with crap. After you've got it clean, replace it in the throttle body. Be careful not to yank on the end that goes in the throttle body. If there was a good bit of crud in there, the IAC will need to reset. Start the car about 3-5 quick times without running for more than 10-15 seconds. That should recalibrate the IAC for you. If it still acts stupid, replace the IAC.

7 people found this helpful.
2,855

From what codes you said i believe it's power wire going to the tps. The other two codes are caused because idle has been raised to make car run, thus having a high reading from the map. Would be go to check if the power wire going into the tps is around 5v. I'll post a wiring diagram up to show you how to test with a muti-meter.

10 people found this helpful.
2,855

As i said before the power wire aka 5v reference should be 5v.Also you can check the signal wire, at idle the voltage should be around .5v, and wide open should be around 4.8v.

4 people found this helpful.
60

My 91 lumina is doing the same thing. I am curious as to what it was that fixed this issue.

6 people found this helpful.
60

Look for a broken or missing rubber vacuum cap on the vacuum port. on the front side of the intake. if it is broken or missing, it will cause certain sensors to misread and it may over fuel the engine. Any substantial leak will do that. The classic symptom is. It always runs for 10 to 15 minutes from a cold start Then stalls out..

6 people found this helpful.

We bought our daughter a 1991 Lumina 3.1 with 113,000 miles. It was running fine then one day it just stalled out and didn't want to start without pumping and pumping and pumping the gas peddle. I had to hold down gas and break at stop lights just to get her home about a mile. Once home she wouldn't run. She would run for a couple minutes and die which is open loop when running, closed loop is when the sensors kick and it would die. Pulled spark plugs, they were black meaning no spark. Can only be 2 things....99% of the time it's the crank sensor or the coil pack. We tried coil pack first, no go. Then the crank sensor for $13.99 at O'Reilly's Auto Parts and it took 3 times starting and turning off for the computer to read the change and now she's back up and running. Before the coil pack and crank sensor we put on a MAP sensor, MASS sensor, Fuel filter, Spark Plugs, Air filter and no luck. Hope this actually helps someone becaue we did tons of research and found suggestions but noone has put what has actually fixed their Lumina. ;)

16 people found this helpful.
40

i just had same problem it was i had bad fuel injector

2 people found this helpful.
40

if you have 1 bad injector it shuts the whole bank down i changed every sensor above then found problem the injectors should ohm out at 12 to 12.4 for the 3.1

2 people found this helpful.
130

I got a 93 lumina with a 3.1 and its about to be target practice! it runs great cold and once it warms up it won't run worth a damn. I've changed the computer, egr,ignition module, idle air solenoid, plugs, wires, fuel filter and now it only runs worse! I got 500 bucks in a good shape car I got for 200 cuz it wouldn't run. It has spark from all wires right up to when it dies. The injectors all ohm out at around 13.5 ohms on average. Even when its warm and won't run they all ohm out the same. I also replaced the fuel pressure regulator when I got it as it was leaking fuel thru the vacuum line. Every vacuum hose I can find is in tact. Now the fuel pressure is runnin at 38 pounds. I'm told its suppose to run at 48 pounds after the regulator. Not sure if this will cause all my problems. When cold it runs the same pressure and runs fine. It accelerates fine when cold. Use to accellerate good warm too even with it not runnin right till after I put on a new ignition module after the parts house told me it failed their test on it. I have never been this stumped on a rig! I'm sure all this technology is great when it works but when it don't I don't care for it. I got an old chevy with a dang carburator that'll run every day and its 20 years older with twice the damn miles! I'm at a loss. Any ideas???????

8 people found this helpful.
21,135

@ rigrocker78. I think I would be as frustrated as you. Out of curiousity. Did you have the parts store test the new ignition module also? I also take it is not tripping a computer code?

130

Yes, I hoped maybe I got a bad one and had them test it as well and it passed. I took it to a pretty good local shop to have it scanned aven tho it had no check engine light. They told me they thought it was the computer. So I replace it only to have it also not be the problem.

2 people found this helpful.
21,135

Yeah. I figured as much. :-( Bad thing about OBD1 is that is really did not monitor much. Personally I do not think it is just one issue, but a combination of issues. Low fuel pressure and rough idle could prolly be associated with leaking injectors. I had a 1989 Trans Am that started turning off when it came up to running temp. drove me nuts. Tried everything. Replaced TPS as it tested bad, but was not it. In my case it ended up being a bad MAF sensor even though it tested good. OBD1 runs in a closed loop set up until it gets a reading from the temp sensor showing the engine is warm. And when it opens up to read all the sensors, it is detecting a fault and shutting the car off. My recommendation, clean all of the sensors with a throttle body cleaner or electronics cleaner (do not use brake or carb cleaner as they have oil in them). Inspect the wiring harnesses and wires... Hopefully it helps to isolate the issue. And if that doesn't work.. Use it for target practice.. LOL

2 people found this helpful.
130

Well its startin to look like good target practice. I got a parts car with a bad tranny good motor. Replaced every sensor and module but for the temp sensors and crank sensors. Even swapped injectors. Still no good. After it warms up it dies and won't start again. Now with the old ignition module in it it will run but cut out a lot after warm instead of dieing completely. But the old module tested bad at the parts house. I can't comprehend how the "bad" one makes the car run the best yet the new one that tests good and the one off the parts car will both kill the engine. On the new one and the parts car module I can keep the engine goin with ether. That's why I thought injectors. I need a new idea. Its gotta be somethin I'm overlooking!

3 people found this helpful.

Well, I always complained that I found everyone's questions and complaints and trials and tribulations on this Lumina issue but nobody every replied with what worked so I'm here today to follow up. Our Lumina is running and running great. After replacing the coil packs, alternator (because the code was reading it was getting too much amp), map sensor, maf sensor, crank sensor, inline fuel filter, checking the catalyst converter (which was good), air filter, some cracked vacuum hoses, and all the other stuff mentioned in my prior post. We finally got so frustrated with the code issue because we did the Ol' Paper Clip method to get codes it finally last but not least spit out code 50 or 53. Been so much stuff I can't remember exactly but I'm sure it was 50. We looked and looked everywhere for this code and could find nothing. We decided to purchase the "Chiltons Mechanics Manual" (which by the way is AWESOME) and it showed the codes. It said the computer was bad. Now in these cars if you replace the computer you have to program the computer to the VIN of the car and (not sure about your city) we couldn't find a single dealership or shop around Omaha, NE that had a machine old enough to program one so I started doing research and the ONLY place I had any luck was AUTO ZONE. They have a computer that is a little more expensive ($168) that was just plug n go; already set to automatically program itself. We installed this ECM and sure enough, we are officially rolling. It's been a couple months now and have had not a single problem with the car. Sad part is I bought this car for my daughters 15th birthday to teach her to drive her own car with her permit. I thought learning to drive in a vehicle you will be driving is the best way to learn. Now that we have her up and running her father purchased her a 2004 Neon with 65k miles for her 16th birthday. Geee, what do you think she chose? The Neon of course. I would have to I suppose. Now it's for sale.....LOL. If anyone's interested I will be posting here on Car Gurus. This car is nice and clean with normal Nebraska rust but for a 91 it has little compared to what it should be. It has 115K miles on it now and 70% tread. Here is the link on craigslist IF you know anyone interested. Asking $1600 as it has sooooo many new parts and NADA says it's worth $2300. https://post.craigslist.org/manage/3195111894

6 people found this helpful.
75

Where is the fuel filter located ? I am a single women and own one. Mine just quit one day. It sat at location for a day, the next day it started right up but would die after a mile or so? I was told the coil pks were bad. I had those replaced. Then, the car wouldn't start without spraying fuel starter in the intake. You had to struggle to keep it running but eventually die. Then someone told me to replace the fuel sensor? The little black box that plugs into the top of the engine. It has a fuse beside it. I replaced this myself, yesterday. It cranked fine and seem to run good for about 5 miles. It started dying when I would come to a stop, crank back up, but sometimes hesitate. I ran a few errands doing this, came home and parked it. Today, I attempted to drive it. It cranks right up, idles fine but stalls after a few minutes. I managed to get it back home. PLEASE HELP. I HAVE BEEN TAKEN BY SO MANY MEN CLAIMING THEY COULD FIX MY CAR? ONE BOUGHT USED COIL PKS THAT WASNT EVEN FOR MY CAR WITHOUT MY KNOWLEDGE!!! I THINK IT MIGHT BE THE FUEL FILTER. WHERE IS IT LOCATED? I AM GOING TO ATTEMPT TO CHANGE IT MYSELF ?

7 people found this helpful.

Take a paper clip and unfold it to make one loop. Put it in the box under the steering wheel. Turn on the car, let it stall then turn the key off. Turn the key just till the lights come on, do not turn it over. Watch the check engine light. It will flash a in sets. If it flashes 5 times then pause for a second then 3 times that's your code "53" or whatever it is. If its anything in the 50's its the computer or "ECM" which is what ours was after replacing part after part after part. Auto Zone has them rebuilt with 1 year warranties. Get the one already programmed because being a 91' no dealerships have a machine old enough to program one. Its a bit more but all we did was install and start it up 2 times and the car acknowledged the ECM and we've had no problems since . She runs like a champ. Good luck.

4 people found this helpful.
595

yep I have the same ish...runs down the high way good then engine light comes on and the speedometer goes wacky...some times come to a stop sign or lights it stalls out...engine light no matter what is always electrical...basically. I research as well and I think it can be the crank sensor and or coil pack...but will clean the TPS and do the under the steering wheel black box loop test...Is this a loop like a U and insert one side to the other in order to get a light codes? Any thing at this point would be good hey! :)

Yes, paper clip in "U" shape to get code. Ours would run like a champ when cold and scream but once she warmed up would conk out and die then even if u pumped and pumped she would eventually start but chug like no fuel intake and die right back out. We replaced every single part on that Lumina. Finally my husbands dad has been a mechanic for years and he said the code it was spitting was for the computer. Ordered a self installing one from Auto Zone for $160 and voila....she started right up but u MUST follow the proper install procedure before hooking up or it will just fry each one as you install it. Its still running today and purrrring like a kitten. ;) hope this helps. If you have trouble getting a code, shout out and I will tell u how to get the codes. Good luck Lumina friends.

2 people found this helpful.
140

i did the crank sensor -would have bet money on it--no go---plugs,wires , coils new computer.iac is possible as is tps--but,,try first what i will try wednesday on good authority,a trusted mechanic who is usually in my experience on target.-the sensor screwed in below the thermostat gooseneck controls the mixture just as the older choke systems did..if he is wrong i am out about 17 bucks compared to 33 for the iac,and a good bit more for the tps .at this point not a big deal.

2 people found this helpful.
10

Everyone seems to overlook the fact that the engine has to breathe. If the Catalytic converter is old, it could block the exhaust when it heats up or it could be blocked. If the engine starts at all, it will spit and sputter and have no power because it cannot breathe. If your converter is bolted on, loosen the engine side bolts. You will know if that works. If it is welded in which most will be, I would spend the money and have a muffler guy cut it and replace it if necessary.

140

have replaced the computer before from the same aftermarket place-- always fine after being driven a few miles--just replaced this one , made no difference--new fuel tank-pump-guts--new everything from crank sensor wire to plugs all inclusive .Have to get it towed to someone who can diagnose it--are you guys telling me autozone has a pre-programmed computer for this 91?car runs cold with loping idle- shuts down when warmed up and forget about it till it cools down..heater controls bypassing and air flowing from all vents showing vacuum leak some damned place. Thinking vacuum is responsible for idle since the heater control is now acting up like this ..but the shutdown and no start is still a mystery.as it will throw no code at all..Neither the former nor the new computer throws a code.

1 people found this helpful.
140

oh and about the cxat--the cat was taken off way back when this started to be sure--no difference-now has a new cat on with 0 miles on it.

110

I have worked for GM for 35 years repairing engine performance problems. After reading these posts, it's no wonder most people are frustrated if they're looking for help from people making these posts. Most of these posts only have a fraction of useful information which sometimes isn't relevant to the original issue. Most of the information in the posts are misleading and often simply incorrect. My advice... don't look here for help because what was wrong with one person's car has no bearing on what your issue is. Might be the same problem, but usually not. That's why you can't fix your car this way. I have said it for years, because I have seen it for years - the cheapest & best way to fix your car is to take it to a reputable repair place (recommending dealership) & pay what it costs. If they want to sell you multiple parts, it is a sign they could be guessing or just trying to screw you. Usually with a problem like this, it is one part causing the major issue & the other items are probably needed but not relevant to solving the original issue. Having a good mechanic is like having a good lawyer or a good doctor - having someone who doesn't know what they are doing... well, you should be able to guess how that will go. When you find people you can trust, treat them like the blessing they are. You may now think to yourself - this guy hasn't helped at all(referring to my post), if that's the case, you're just missing the nose on your face. I have seen people replace a thousand dollars worth of parts and bring their car to me to find out they could have paid a couple hundred dollars & saved all the grief too. Well - that's the best help I can give you. If you don't take my advice, I wish you good luck because you will definitely need it.

11 people found this helpful.

I am an apprentice in a shop with 3 learned pros and we still throwing parts at my 90 firebird 3.1 tried adjusting timing did plugs wires rotor distibuter coil have good compression gas pressure 45 and no leak back from regulator, showing no trouble codes but check engine light on, plugs to injectors good reading still starts runs 20 seconds and dies

10

Fuel pump and injecters throw no codes and there is a problem short in wire's on tank sending unit new pumps come with replacement wires and yes fuel ecm fuse blows even with new filter and pump! But some fuel pumps warm up and quit! Never overlook fuel filter and pump screen wire harness aswell always chk cheepest problem to worse case cennario! Like the computer is the sneakiest one but like the man said a good mechanic who is honest is worth his weight in gold!!!

1 people found this helpful.
10

94 Chevy Lumina 3.1 have to floor it to start it idles when cold after it warms up it surges in idle climbs high then low and dies I replaced air filter fuel filter and the throttle position sensor it acelerates good drives good when i slow down and or come to a stop it dies uses gas and I found gas in the air filter anyone one know what this could be

1 people found this helpful.
10

Same issue 1991 Beretta, Im going to replace the temp sensor and check the wire harness for bad plug connections. I know this is a old thread.

1 people found this helpful.
20

I had the same problem I have a 1990 Chevy lumina and all of a sudden it would die my automotive instructor were scratching our heads we figured out it had a bad icm witch after it warmed up since it's right on the block pretty much it would die when giving it the juice throwing a high voltage to the map sensor the hard plastic cracks over time to

2 people found this helpful.
10

Non have mentioned the vss, i did it all and as i moved the vehicle to get ready for a tow truck, it took off running and has run for 20,000 miles, Vehicle speed sensor!!!!

1 people found this helpful.

Change the idle air control sensor if that dont work try changin throttle position sensor

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