i have a 91 integra rs with 142k miles that is having some of the same symptoms that you guys are describing with your cars. This is the deal with mine. I will start it up whenever, hot, cold, raining, etc. and it will start up fine, i will drive it down the street or to school which is only 2 miles away, and at every stop sign or stop light the car will return to a VERY rough idle and then stall out. I can start it right back up again BUT i have to keep my foot on the throttle to make sure it doesn't drop too low in the rpms and stall again. It ONLY stalls however, when it is WARM, when the engine is cold it runs fine. This problem is KILLING ME, i've spend hundreds of dollars already trying to get this problem to go away but NO LUCK whatsoever. I read that one of the problems was the catylitic converter, with mine i have a high flow cat, but it acts as just more of a resonator, do you think this could be the problem? ANY suggestions at all would be helpful to me. THANKYOU.
Joined: Mar 02, 2004 Posts: 9 Location: Boston, MA.
Posted: Sun Mar 07, 2004 1:33 pm Post subject:
The problem is definitly the fuel pump. The reason why it does not stall when it is cold is because the ECU tells the pump to send in more fuel until the engine warms up. Once it's warm it is supposed to idle at 700-1000rpm but since your fuel pump is dirty/clogged not enough fuel goes through to keep the engine running. Try this... if your check engine light comes on while your driving give it full throttle and you should see that you don't get far because you feel loss of power. If so then get a new fuel pump. _________________ *--The Driver Makes The Car, Not The Engine--*
Thanks for the reply. The only thing about the fuel pump problem is that the check engine light never has come on before when this problem has been occuring. The shop that i took it too thought that the fuel system might be the problem and that was my first guess as well. They checked the fuel pressure throughout and it was flowing properly, thus making it impossible for anything in the fuel system to be malfunctioning. Next was the battery, and alternator. Both parts were charged and charging properly so that could not be the problem. Today i recieved the information that they found the problem: the wire for the aftermarket tach was not mounted properly...I think it is a little shady because the problem was happening before the tach was installed. I pick the car up today, so we'll see what happens. Thanks for the response, any more ideas please write!
Posted: Fri Mar 12, 2004 10:23 pm Post subject: unexplained stalling?
i have a 95 integra rs approx 145K mi on it, i just bought the car, and after I cleaned the engine with some wd40, water, and some other cleaner, the car bogs-out and feels like its going to stall after about 10 min of warming up. any suggestions?
Once you let go of the key, it won't stay started? Ya.. I had the same issue with my 90 'teg. I had to replace the ignition assembly; the part BEHIND the key. It was $60 canadian and comes with cables that connect it under the fuse panel and dash, it's a 20 minute installation you can do yourself.
Also last summer the car woulnd't start in the heat when the cabin was hot. I replaced the main relay and all was well for that issue.
Posted: Sat Mar 20, 2004 7:53 pm Post subject: still cant figure out why car acts differantly after warming
Do you think it can be the Purge sensor since that only turns on after the engine reaches a certain temperature,head gaskets are not blown, no water in the oil and i have lots of power and no check engine lights are coming on, any suggestions, can it be the Purge sensor(canaster)?????
Hey got another guy to join cause of this thread right here!
So this past week has been hell... i drive a 91 LS special with 169,000 miles on it and it just started this stalling thing, especially on the highway, car stalls out and the check engine light comes on. car wont start right away but then will start after some time, and then its kinda pot luck, either it will run for a while (20 miles) or die in 5 feet. took the car in to a shop, they said it didnt shoot out any codes, which make sense cause the check engine light only comes on once the car is already stalled, and they found a litte junk in the fuel filter (it was old) they replaced that and sent me on my way, 100 miles later it stalled again, i gimped it to my acura dealer and they went to work on it, he drained most the tank, finding some dirt and water in it, and then replaced the fuel filter, ran it in their garage for an hour or so then tried to drive it and it died, he then checked the ignition module (distributor) and found a quite loose wire, tightened it up and checked the module telling me it was fine. no moisture or anything else seems to be wrong with it. so i drive it away from acura and this time 60 miles later its stalled!! its now at my friends shop cause i'm totally out of ideas... one thing i noticed was someone said their catalytic converter was the case, well my exhaust has been noisy and sounds like something is holey down there and 2 years ago when i replaced the midpipe the catalytic converter looked to be getting shot, could that be it? and also if it was a faulty ignition module wouldnt the acura tech have found it? any advice you got can help, cause the next thing they wanted to do was rip out the tank, which will be super expensive in a car that old! glad to be a member here now!
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