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Okay. My car has been having some idle troubles. I'd been having spark plug issues, and one morning I started it up and it ran beautifully, so I knew there was something wrong with it. Sure enough, it actually killed over last week in the middle of an intersection. Had to have it towed to a shop, yada-yada-yada. My mechanic replaced all 6 plugs and wires, and it runs better, but not great. When I drive it at 65-70 mph and then stop at a light, it runs rough, but steady. Every now and then though, it'll drop like it's gonna' die, but pick back up. It's a very intermittent problem. Any thoughts?
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1992 Arctic White Firebird<br />3.1L V6, TB Coolant Bypass, CAI, Turbo Muffler, other little things.<br /><br /> <a href=\"http://www.geocities.com/colinobu/MyHomepage.html\" target=\"_blank\">http://www.geocities.com/colinobu/MyHomepage.html</a> <br /><br />\". . .Finger in the air and the flag still wavin\'. . .\" -
clean the idle aic control valve. and also, since your there.......(yeah, you know the list is coming)
inspect your vacuum lines, verify time on current timing chain & fuel filter (just in case) inspect air filter.
not a big list, but hopefuly any one of those will do the trick.1978 Formula 461 in progress of being built :rock:
2013 Ram 1500 Big Horn
former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
94 comero 3.4 -
Yeah, that IAC valve is a b***h. Before I really started learning about cars, I pulled that out and messed with the spindle, and I've always wondered if me messin' with that thing could've screwed something up.1992 Arctic White Firebird<br />3.1L V6, TB Coolant Bypass, CAI, Turbo Muffler, other little things.<br /><br /> <a href=\"http://www.geocities.com/colinobu/MyHomepage.html\" target=\"_blank\">http://www.geocities.com/colinobu/MyHomepage.html</a> <br /><br />\". . .Finger in the air and the flag still wavin\'. . .\"Comment
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mine kinda did the same thing, check on the pressure control valve, not very expensive. hope this helps ya out99 White Camaro<br />Bilstein Shocks<br />Lowered, and ground effects<br />she\'s gorgeous, trust meComment
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Re: Weird Idle
Okay. Update. I've had all of the plugs and wires, PCV valve and air check valve replaced (been in the shop twice since this problem started) and it's still not running right. Any other thoughts? I thought I might try the distributor/rotor assembly and the O2 sensor. I don't have any way of checking the timing, but I kinda' don't think this is a timing issue, 'cuz it'll go away after the car's been running for a while. I would think with a timing issue, the roughness wouldn't go away.1992 Arctic White Firebird<br />3.1L V6, TB Coolant Bypass, CAI, Turbo Muffler, other little things.<br /><br /> <a href=\"http://www.geocities.com/colinobu/MyHomepage.html\" target=\"_blank\">http://www.geocities.com/colinobu/MyHomepage.html</a> <br /><br />\". . .Finger in the air and the flag still wavin\'. . .\"Comment
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Re: Weird Idle
relatively free check: have the icm checked. the relatively part: dielectric white goop for when you put it back in.1978 Formula 461 in progress of being built :rock:
2013 Ram 1500 Big Horn
former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
94 comero 3.4Comment
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Re: Weird Idle
Dumb question, but what's the icm? I'm guessing "something-control module".1992 Arctic White Firebird<br />3.1L V6, TB Coolant Bypass, CAI, Turbo Muffler, other little things.<br /><br /> <a href=\"http://www.geocities.com/colinobu/MyHomepage.html\" target=\"_blank\">http://www.geocities.com/colinobu/MyHomepage.html</a> <br /><br />\". . .Finger in the air and the flag still wavin\'. . .\"Comment
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Re: Weird Idle
ignition control module. sits inside the dizzy
1978 Formula 461 in progress of being built :rock:
2013 Ram 1500 Big Horn
former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
94 comero 3.4Comment
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