Major miss in 2.3 turbo October 03, 2007, 09:21:14 AM I have a 86 turbocoupe and everything was running good, now all of a sudden theres a major miss in it. I changed plugs/wires which didnt help at all. At first it seamed to only do it under boost and once it was warmed up but now its pretty much constant and wont barely move. Now this all started and happened within about a 48-72hr period.any info is appreciated. Quote Selected
Major miss in 2.3 turbo Reply #1 – October 03, 2007, 10:08:31 AM Blew a head gasket.Do a compression check. Quote Selected
Major miss in 2.3 turbo Reply #2 – October 03, 2007, 10:15:22 AM thats what i was kind of thinkin too.... 2.3's :( this will be my second one to blow a head gasket if so..... Quote Selected
Major miss in 2.3 turbo Reply #3 – October 03, 2007, 10:58:24 AM hmmm....now is it possible to just lift the head and swap the gasket without completely yanking everything? Quote Selected
Major miss in 2.3 turbo Reply #4 – October 03, 2007, 11:30:17 AM I'd check the fuel pressure too. Quote Selected
Major miss in 2.3 turbo Reply #5 – October 03, 2007, 11:43:29 AM thanks....i was told to do that here at work too... Quote Selected
Major miss in 2.3 turbo Reply #6 – October 03, 2007, 01:23:01 PM well guys wish me luck im takin the compression tester and a fuel pressure tester home tonight with me so hopefully i'll find something out. Quote Selected
Major miss in 2.3 turbo Reply #7 – October 04, 2007, 12:38:07 AM Quote from: onenasty86tbird;180504hmmm....now is it possible to just lift the head and swap the gasket without completely yanking everything?sure, if you want to be doing it again in another day/week/month. Quote Selected
Major miss in 2.3 turbo Reply #8 – October 04, 2007, 10:02:48 AM Actually you can leave the exhaust mani in the car and just remove the upper intake. you can leave the lower on the head when you pull it off. Also maybe you have an exhaust restriction. maybe the cat is plugging up or something got bent causing less flow. If the compression checks out drop the down pipe and go for a run if the power is back and the miss is gone its in the exhaust. I had a cat plug up on me before idled fine but had no power and wouldn't build boost. Quote Selected
Major miss in 2.3 turbo Reply #9 – October 04, 2007, 12:14:27 PM well looks like its head gasket as im puking a/f all of a sudden now out front of head area :( doin head gasket this weekend i guess....always freakin sumthin....just got the car 2 weeks ago :( Quote Selected
Major miss in 2.3 turbo Reply #10 – October 04, 2007, 06:04:22 PM Quote from: onenasty86tbird;180796well looks like its head gasket as im puking a/f all of a sudden now out front of head area :( doin head gasket this weekend i guess....always freakin sumthin....just got the car 2 weeks ago :(Check your deck surfaces for flatness. Quote Selected
Major miss in 2.3 turbo Reply #11 – October 11, 2007, 09:06:30 PM X 2 wouldnt hurt to have it machined while its out. Quote Selected
Major miss in 2.3 turbo Reply #12 – October 22, 2007, 08:21:41 AM any ideas now as to why i would have smoke coming from exhaust manifold and plug area? I had a issue with timing but got that taken care of and now it runs better but not good enough to drive....i had soem issues with fire from the exhaust manifold but it was just like a flame.....maybe ruiend the new head gasket? Quote Selected
Major miss in 2.3 turbo Reply #13 – October 22, 2007, 08:41:40 AM Oil residue burning off the manifold?What was your "timing issue"Did you check your head and block for flatness before you installed the new HG? Quote Selected
Major miss in 2.3 turbo Reply #14 – October 22, 2007, 02:43:28 PM heh got me...i didnt check it for flatness and from what i was told today thats my issue...so anyone wanna buy a 2.3 longblock with no intake/exhaust manifolds and is in need of hg and shaving the head? its coming out of the car soon, if i get it sold quik then a 2.3 turbo will go back in if not its gonna be a v8 probably :( Quote Selected
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