2.8 running rough
05-04-2013, 08:57 AM
#1
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
2.8 running rough
When I first start it up, I have a high idle, and then when I put it in gear the idle goes back down. Also it stalls when I stop, you can almost predict it, the idle starts to hiccup and then it stalls. It just stops. I'm checking for vacuum leaks now, and EGR had been replaced, tune up was done also, but can't find the timing settings anywhere on this forum. Can anyone help? I'm looking for the timing settings on my 2.8L v6 MPFI '89 Pontiac Firebird
05-04-2013, 09:20 AM
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Sons 89 firebird 2.8 MPFI
nexttime u will be better off starting a new thread
alls u had to do was google chevy 2.8 firing order
the firing order is 1-2-3-4-5-6
alls u had to do was google chevy 2.8 firing order
the firing order is 1-2-3-4-5-6
05-04-2013, 10:35 AM
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
Re: Sons 89 firebird 2.8 MPFI
Looking for the TIMING settings NOT the firing order. Need the timing for my 2.8
05-04-2013, 10:39 AM
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
Re: Sons 89 firebird 2.8 MPFI
I already "Googled" it, and wouldn't be asking for help if I had found it. I am one of the newest members here, and don't really know how to start new threads. Apologies for any inconvenience, but the searches on this forum yeilded no results as to timing settings.
05-04-2013, 10:41 AM
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
Re: Sons 89 firebird 2.8 MPFI
My car is missing the sticker that had the timing settings, the vacuum gage showed late ignition timing. Anyone that can help me with this, I would be very happy.
05-04-2013, 11:11 AM
#6
Re: Sons 89 firebird 2.8 MPFI
I already "Googled" it, and wouldn't be asking for help if I had found it. I am one of the newest members here, and don't really know how to start new threads. Apologies for any inconvenience, but the searches on this forum yeilded no results as to timing settings.
05-04-2013, 11:28 AM
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
Re: Sons 89 firebird 2.8 MPFI
Ahh, thanks. Lol. Got it.
BTW anyone looking for the timing settings for a 1989 Pontiac firebird 2.8l MPFI is 10 degrees behind top dead center.
BTW anyone looking for the timing settings for a 1989 Pontiac firebird 2.8l MPFI is 10 degrees behind top dead center.
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05-04-2013, 11:32 AM
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Car: Pontiac Firebird 1989
Engine: 2.8L v6
Re: Sons 89 firebird 2.8 MPFI
I don't have that option. It's only letting me post, or add a poll to the thread, there is nothing that says post a new thread. Maybe that's for higher ranking members. Anyway I have found the timing settings that I had been looking for and posted them here for anyone else that needs them. Thanks.
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