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Discussing 91 GT DOWN HARD in the 5.0 Mustangs Forum. Need some help please, I recently completed rebuliding and installing a 91 5.0 into a ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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April 24th, 2007, 07:44 PM
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#1 |
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Look Ma! My First Post!
Join Date: Apr 2007
Posts: 1
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91 GT DOWN HARD
Need some help please, I recently completed rebuliding and installing a 91 5.0 into a friends car, after finishing the install, engine will not idle. The engine runs great for about 1 minute if you disconnect the MAF sensor. I was thinking I had a ground problem but have checked every wire from the harness to the 60 pin connector and can't find anything wrong. I have also found and corrected a few small vacuum leaks, but still can't get the car to keep running. The engine does not miss abeat when its running (with MAF unplugged). I am desperate here, I have had the guy's car for three weeks now and he is getting nervous.
ANy help is greatly appreciated. Txs, Phil |
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April 24th, 2007, 11:05 PM
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#2 |
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Hardcore Enthusiast
Join Date: Feb 2007
Location: New jersey
Posts: 1,559
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did you check the maf sensor?
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Heres a real funny video youtube.com/watch?v=ojB7KkaR03I VTEC stands for Very Torqueless Economy Car Honda stands for Hold On Not Done Accelerating 1991 LX 5.0 H/B(T-70 turbo coming soon) |
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April 24th, 2007, 11:09 PM
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#3 | |
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MM Fanatic
Join Date: Aug 2006
Location: On my way to Baines's house!!
Posts: 3,268
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+1 on that... Also check the IAC valve..
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Rotating The Earth 1320 Feet At A Time!! Today, I found out that when I masturbate at night while watching internet porn I cast a huge shadow on the curtain and the entire street is able to see it. 
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April 24th, 2007, 11:26 PM
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#4 |
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MM Fanatic
1990 LX hatch
Join Date: Aug 2006
Location: Hobart Indiana
Posts: 3,593
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Yea I had that problem once, It took me about 800 dollars to find out a spider laid a nest in the maf sample tube.
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 Bolt-on Abraham Lincoln Log motor. With extra wiring. |
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