WHEN I TAP THROTTLE IT STALLS IMMEDIATELY

2001 Holden Commodore

Tiny

Nick220785

February, 26, 2012 AT 9:01 AM

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.

FOUND 409 RELATED QUESTIONS

5 Answers

Tiny

rasmataz

February, 26, 2012 AT 9:49 AM

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

Tiny

Nick220785

February, 26, 2012 AT 10:10 AM

No cel.

Tiny

Nick220785

February, 26, 2012 AT 10:20 AM

Its a ls1 engine.

Tiny

rivermikerat

March, 2, 2012 AT 5:19 AM

Have it scanned for codes and check for vacuum leaks. Verify fuel pressure when the problem occurs.

Tiny

mhpautos

March, 4, 2012 AT 12:20 PM

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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