Intrigue :: Can't Stay Running After Starting When Engine Is Warm - No Codes
Jul 22, 2014
I have a 1998 Intrigue with over 225,000 miles. It seems to run well for the most part. However....
After I have driven the car for a while and gotten it up to temperature, if I stop and let it cool for a while, when I go to start it up again, it will start easily and then immediately die. Almost like the fuel got cut off. My work around at this time is that if I manually keep the rpms up using the gas pedal it will stay running. If I take my foot off to quick it will still die but if I can do it or 20 to 40 seconds it will stay running.
Other clues:
There are no codes.
If I only drive for a shorter time, when I go to start the engine it will start but it will rev up and down (sometimes for up to ten seconds) before settling down to the proper idle.
When I start the car in the morning, it will start right up but tends to rev above 1200 rpms for about a minute or two before it will settle down.
What has been changed in the past couple of years:
IAC
MAF
EGR
Crankshaft Sensor
Wires (but not plugs)
Also the throttle body was cleaned pretty thoroughly. The guy who did it did think that the throttle body gasket was kinda iffy but intact.
I checked the FPR but no fuel leaked from it even after running the engine for five minutes.
Injectors could be going bad, maybe?? But wouldn't that cause problems other than just at a warm start?
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She said she took it to an auto parts store and had the engine code read, p1123 came up.....
Code P1123 : Long term fuel trim, at idle - mixture too rich..
What do you think this is caused by................ the inlet air temp sensor? I was told someone just replaced the air max flow sensor, that don't sound correct to me, but that's what they called it....probably the MAF sensor....
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The problem is when the car starts cold I have to keep my foot on the gas for a couple minutes or it will stall out. Once it has warmed up the car runs good. I turned the idle pin on the front of the throttle body to try to keep from having to put my foot on the gas but it still stalls. It seems like it is working better in the cold weather. My mechanic says that I may have turned the idle too far trying to fix it and that is why it is stalling.
I just want my car to run without having to warm it up every time. It wastes time and a lot of gas. Could it be something other then what I've already replaced? I don't want to keep replacing the same things and not have it fix the problem.
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