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Set timning have glowing manifolds
(Technical Discussion & Questions - by Johan, started: 06-03-2016, last post: 2024-03-02 10:52:45 CET)
Have an 87 coupe with v6, had an iron duke before. Now I’m trying to set timing, if I short a and b and set timing 10 degrees, it goes to 20 degrees when I remove the paperclip. The idle is 1500 with warm engine. Why does the ecm put another 10 degrees on the timing? If I align distributor so the...
Score: 775, Size: 40 bytes
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Possible vacuum leak/ glowing manifolds/ hissing noise
(Technical Discussion & Questions - by SemperFi18, started: 09-28-2016, last post: 2016-09-28 10:00:48 CEST)
Alright guys, so to get things started she's an 86 SE V6. I'm a decent mechanic but new to the fiero world and for the life of me can't figure this one out. I replaced my valve cover gaskets. Everything went well, I cleaned the throttle body, replaced all gaskets on the build back up. Including the...
Score: 775, Size: 65 bytes
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New 3.4 Build, HIgh Idle on Startup & Glowing Manifold
(Archive: TD&Q - by Duck Hunter 117, started: 08-03-2012, last post: 2016-03-23 10:12:09 CET)
I'm attempting to get my new 3.4 build up and running and am having some issues. When I first started up it had a high idle at ~2200 rpm. Every little bit it will pick up speed and jump to ~2400 and then slowly come down. The EGR tube was cracked so I installed a block off plate for it. The idle...
Score: 775, Size: 72 bytes
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Popping and glowing manifold
(Archive: TD&Q - by TeamPontiac88, started: 05-30-2010, last post: 2012-01-11 09:59:05 CET)
Hi, My 87se 2.8 starts right up, idles fine but the manifolds turn red and if i touch the throttle it will hiccup and pop through the air cleaner. I dont see any vac leaks... any suggestions? Thanks, you guys are the best!
Score: 775, Size: 44 bytes
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Glowing manifolds, idling problem solved (follow up to previous post)
(Archive: TD&Q - by Nosferatu187, started: 11-06-2009, last post: 2011-05-02 10:43:37 CEST)
Just posting this in case it might help someone else. After checking everything I could think of I did the reset procedure for the IAC. Started the engine with the IAC unplugged, I noticed the exhaust manifolds no longer glowed and the idle was actually smoother. I had already checked the IAC/TB...
Score: 775, Size: 84 bytes
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Glowing manifolds + arcing plug wires ?
(Archive: TD&Q - by moleman_in_a_FieroGT, started: 03-25-2007, last post: 2009-02-19 10:45:57 CET)
I fired my Fiero up last night, let it idle for a few minutes, and... the rear exhaust manifold was glowing. Not much, but enough to trouble me. While observing it, I also saw that there's arcing going on with the spark plugs (or wires). What could cause these problems? Thanks in advance
Score: 775, Size: 62 bytes
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Glowing manifolds and timing
(Archive: TD&Q - by triker, started: 06-05-2006, last post: 2007-03-15 11:33:29 CET)
I know this subject comes up from time to time but, after doing a search and not seeing this mentioned, thougth I'd post this info. Yesterday when I fired my 3.4L after getting the new cam in it, my manifold got cherry red. I'd brought the rpm up to the 1800-2000 range and was trying to play with...
Score: 775, Size: 37 bytes
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Red Glowing Manifolds !!!!!!!
(Archive: TD&Q - by 3800superfast, started: 11-28-2005, last post: 2006-08-11 13:11:52 CEST)
Hi, I`m posting this because once a Fiero owner like my self or others fixes their high idle issue, the other problem of Red Glowing Manifolds seems to be forgotten.I have 3 x-- 2.8 Fieros, all the manifolds glow---but this is while setting still --and holding rpms to 2500--3000rpms ---which would...
Score: 775, Size: 45 bytes
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Glowing Manifolds causes
(Archive: TD&Q - by Dennis LaGrua, started: 05-28-2005, last post: 2006-02-06 11:47:09 CET)
I was working on my 2.8L GT this afternoon trying to find the cause of the red hot manifolds. This is usually the cause of lean mixtures and/or clogged exhaust. So far:Checked for clogged exhaust- flows fine and the CAT is hollowVacuum Leak- EGR tube seems in one piece, but still checking all...
Score: 775, Size: 40 bytes
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glowing manifold on DIS
(Archive: TD&Q - by 86 gt fastback, started: 08-02-2005, last post: 2006-02-06 11:45:02 CET)
i have replaced almost all vacuum lines - hard and soft ones with brake tubing and hoses. replaced ignition coils, crank pos sensor, cables, plugs, MAP and TPSit does have an occasional high idle. when started it goes to 2500rpm mostly it then slowly drops down to around 1200, but not...
Score: 775, Size: 40 bytes
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