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2.5 problem? |
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chevytruck88 
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Joined: 27 September 2008 Location: Canada Status: Offline Points: 1 |
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 Topic: 2.5 problem?Posted: 27 September 2008 at 11:58am |
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84 2.5l auto....idling at 1500-2000 exhaust heats up glowing red hot.... exhaust is good no plugs timing is good.....gotting LOADS of fuel no intake leaks.....any ideas?
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Capt Fiero
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Founding Member Joined: 12 February 2007 Location: Canada Status: Offline Points: 4039 |
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Posted: 27 September 2008 at 12:10pm |
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Bad IAC or MAP or both.
IAC = Idle Air Control Valve MAP Manifold Absolute/Atmospheric Pressure IF the IAC is bad it will cause it to idle high, and also cause the map sensor to lean out the fuel system. The Map sensor plays with timing and can cause the manifold to glow red. |
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Capt Fiero
88 Fiero GT 5spd V6 Eight Fifty Seven GT V8 5spd. |
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CFoss
Senior Member 
Joined: 13 February 2007 Location: Canada Status: Offline Points: 580 |
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Posted: 20 October 2008 at 12:13am |
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I have one of these engines sitting around.
Lemme know what you want off of it and I'll send them to you for the cost of shipping only. I'm on the island. You may have to wait a bit because I'm in and out of town. Throttle body and map sensor maybe? Lemme know. 250 701 3841. Chay |
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86 SE 3.4
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