3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

this seems odd

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Old Jul 1, 2002 | 01:24 PM
  #1  
puckboy60's Avatar
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From: sterling heights, MI, USA
Post this seems odd

i don't know if anyone else has had this happen to them, but when i turn on my a/c my car revs itself, when i turn it off the car is fine, anyone know whats up with that?
Old Jul 1, 2002 | 01:54 PM
  #2  
RedIrocZ-28's Avatar
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From: Grandville/ Grand Rapids, Michigan
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A small jump in RPM's is ok. The AC puts an excess load on the engine and it compensates by jumping up a few hundred RPM's.
Old Jul 1, 2002 | 08:19 PM
  #3  
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From: Corpus Christi, Texas
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how high does it jump?

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Old Jul 1, 2002 | 11:19 PM
  #4  
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From: Spartanburg, SC
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mine does the same. it will rise/fall repeatedly about 250 rpm or so. that seems like it would be pretty normal.

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Old Jul 2, 2002 | 12:45 AM
  #5  
puckboy60's Avatar
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From: sterling heights, MI, USA
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it only jumps a little but the car feels like its gonna lurch forward when i'm stopped at a light or a stop sign, it feels like the beginning of a brake torque but it doesn't have enough rpms to spin em. i just don't want the car to lurch forward on me while i'm stopped, i just had the brakes done to so that shouldn't be the prob
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