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idle problem went engine is hot

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Old Jul 6, 2006 | 12:09 AM
  #1  
gotay's Avatar
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idle problem went engine is hot

my 1991 z28 camaro 305 went is cold idle ok went is hot idle is bad up and down sound like is running in 6-cylinder
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Old Jul 6, 2006 | 12:17 AM
  #2  
Sonix's Avatar
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
what?

Is english your second language by chance?

can you give more info? Did it just start out of the blue, or did you chance something first? What motor? The TPI or TBI motor?
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Old Jul 6, 2006 | 11:08 PM
  #3  
gotay's Avatar
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idle problem went the egine hot (out of the blue)

yes start out of the blue . the problem start went the motor is hot idle up and down, sometime the motor won't start.( no computer code I jumper A and B I have only code 12). went is cold the idle is ok ( motor is 305 tpi )



thanx for you help
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Old Jul 7, 2006 | 12:00 AM
  #4  
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From: Desert Heat
Car: 90 RS/90 Z-71/73 Vega
Engine: 3.1/5.7 TBI/5.7
Transmission: 700R4/700R4/350turbo
Axle/Gears: 3.23/3.42/3.42
I think a good start would be to look into a pick-up coil or/and a ignition module and ignition coil.Something doesnt like the heat
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Old Jul 7, 2006 | 07:19 AM
  #5  
Blue-Z28's Avatar
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From: Maine
Car: 86 IROC-Z
Engine: 305 tpi
Transmission: 700R4
Replace both MAF relays


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