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When I tap throttle it stalls immediately

Tiny
NICK220785
  • MEMBER
  • 2001 HOLDEN COMMODORE
  • 160,000 MILES
Hi. When I start my car it idles rough at 4-500 rpm. I spayed brake cleaner in intake and revs went up

Hard to start then only runs at 500rpm. Not missing and most sensors are new from rebuild. The engine is worked and fuel system is aftermarket. Regulator is original.
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Sunday, February 26th, 2012 AT 9:01 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light?

No references on this vehicle Mit1/Database-try cleaning out the idle air control valve and see what happens
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Sunday, February 26th, 2012 AT 9:49 AM
Tiny
NICK220785
  • MEMBER
  • 3 POSTS
No cel.
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Sunday, February 26th, 2012 AT 10:10 AM
Tiny
NICK220785
  • MEMBER
  • 3 POSTS
Its a ls1 engine.
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Sunday, February 26th, 2012 AT 10:20 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Have it scanned for codes and check for vacuum leaks. Verify fuel pressure when the problem occurs.
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Friday, March 2nd, 2012 AT 5:19 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Most proberbly will be crank angle sensor, they will not set a check light and you will have spark but no injector pulse.
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Sunday, March 4th, 2012 AT 12:20 PM

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