Supreme Cutlass Posted August 19, 2005 Report Posted August 19, 2005 What could cause an unstable idle? I'm guessing I have a problem with either my IAC or TPS. The engine sounds normal when driving around, but it idles horribly. Plus my battery gauge on my cluster reads to the middle on the start, but is in the red after the engine speed goes down to idle... what's up? Battery has been charged btw Quote
sonyman87 Posted August 19, 2005 Report Posted August 19, 2005 well a weak battery will cause your voltages to go kinda nuts. go to your local autozone get a battery and alt test. lets us know further if it still happens btw does it only happen when its cold out? Quote
Supreme Cutlass Posted August 19, 2005 Author Report Posted August 19, 2005 Seems to have fixed itself... ...I'll ask Autozone to check it out, but brakes come first, and that's tomorrow . Any idea what might be draining the batt.?? The previous owners had troubles with dead batt.'s so far it's gotten dangerously low... Quote
digitaloutsider Posted August 20, 2005 Report Posted August 20, 2005 Did you perform an idle relearn? Quote
Supreme Cutlass Posted August 20, 2005 Author Report Posted August 20, 2005 saw that one coming, and yes. Solvedthe weird idle, now I need to know what could cause batt. drain... Quote
1990lumina Posted August 20, 2005 Report Posted August 20, 2005 Alternator not charging to the best of it's ability? Something is drawing from the battery after the car is turned off (hard to pin point) Quote
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