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Glowing exshast and high idle |
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Youngster 
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Joined: 31 August 2018 Location: Coquitlam Status: Offline Points: 4 |
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 Topic: Glowing exshast and high idlePosted: 31 August 2018 at 2:52pm |
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I have a 85 gt 4 speed fiero and just recently when I was driving my idle jumped up to 2000-2500. I have no vacume leeks I can find I used propane and pressurised th intake to no avail.
I do have exhaust leaks some pretty bad but they where there before the issue. It's not a cloged cat I disconnected it to see. I put a new egr valve on a month ago. Definitely a lean problem I just don't know enough about these cars I have only had it for 2 months now. Any help would be great thanks
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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: 02 September 2018 at 6:00am |
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More than likely its a cracked EGR pipe. Kinda a pain to change but it can be done with the plenium still on the car. Easiest if you have a 10mm swivel head ratchet wrench.
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Capt Fiero
88 Fiero GT 5spd V6 Eight Fifty Seven GT V8 5spd. |
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ARTIC-1
Senior Member 
Joined: 14 October 2009 Location: Canada Status: Offline Points: 434 |
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Posted: 02 September 2018 at 11:10am |
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Hi I had the same thing,drove me Nuts!Just by fluke! I found it,Same thing,No Vac leeks,Check
Every thing 10 X over? Spent so much time an $,in the end---It was my plug wires.Fired it Up one Evening,Dark out,an seen it!! My plug wires were Trace/Arcing all over,looked like Starwars, Hard to see at first,a little mist ,spray(Water)will help to see the Arcs,, Do an Oms,, on your wires. ,maby that's it.Like Dave said all so--EGR is all so one to check.an Fuel SYS to. Good luck |
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SNOW MAN
87-GT/AUTO-2.8_ WHITE 88-TTop/ Duke-2.5. RED |
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Youngster
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Joined: 31 August 2018 Location: Coquitlam Status: Offline Points: 4 |
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Posted: 04 September 2018 at 10:04pm |
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Thanks for the help ended up being that. It was partly masked by the heat blanket around it being sucked in. Now I just have to find one to replace it with. Also 2 of my wires didn't have crimps on them so i will need those too.
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