2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

87 turbo II

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Old Oct 25, 2008 | 11:32 PM
  #1  
rxdex's Avatar
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gas whore daily driver
 
Joined: Oct 2008
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From: Phoenix, az
AZ 87 turbo II

This F ing car has me perplexed. It still is doing the whole no start till you take out the intercooler. I checked the MAF with the specs from the FSM, even swapped it out for a known good one. no change, still idles roughly and then dies after a few moments. There are no holes of any kind in any lines, caps etc. What is going on with this thing? Is the ecu not reading the input from the AFM ? this is starting to **** me off.
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Old Oct 26, 2008 | 01:39 AM
  #2  
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HAILERS
Tenured Member 10 Years
 
Joined: May 2001
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From: FORT WORTH, TEXAS,USA
Just backprobe the right wire on the ECU plug, key to ON, and watch the voltage on the meter as someone pushes the afm vane aftwards.

Will it run if you play with the pedal? Fuel lines not crossed at the motor? Turbo inlet duct not cracked AT the turbo flange?
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Old Oct 26, 2008 | 11:41 AM
  #3  
rxdex's Avatar
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gas whore daily driver
 
Joined: Oct 2008
Posts: 31
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From: Phoenix, az
well as far as playing with the pedal it kills it more quickly than if you just let it idle. However it does increase in rpm's just before dying.(as you would expect) I would say to around 2,000 . The fuel lines are routed with the pressure line hooked to the primary rail and the return line to the secondary rail. and the duct is not cracked. so i guess ill check the pin on the ecu harness
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