Engine idles too high?

HOMER1967

MECHANIC
875 POSTS

I would suspect a faulty idle air control valve. Although there are t.S.B's for this vehicle to have the pcm re-flashed. But I would try a new i.A.C. Valve first.

Was this

answer

helpful?

Yes

-1

Thursday, June 18th, 2020 AT 1:21 PM (Merged)

Please login or register to post a reply.

Engine Idles Too High?

Engine Idles High In Hot Weather But Not Every Time Truck Is Started, I Can Shut It Off, Restart The Engine And Somtimes It Will Return To...

Asked by jccds.prescott ·

46 ANSWERS

6 IMAGES

1999

CHEVROLET SILVERADO

Engine Has High Idle?

My Truck Will Start And Run Until It Heats Up And Then It Will Idle Up Some And Runs Kinda Rough? Usually Will Die And Then Will Not Restart...

Asked by BradVL ·

10 ANSWERS

1990

CHEVROLET SILVERADO

2005 Chevy Silverado

Engine Performance Problem 2005 Chevy Silverado 6 Cyl Two Wheel Drive Automatic Have A 2005 Chevy Silverado That Idles High And When...

Asked by Canleglade ·

1 ANSWER

2005

CHEVROLET SILVERADO

1992 Chevy Silverado Acceleration

When Giving The Truck Gas It Goes Good, But When Trying To Accelerate Quickly The Engine Revs Up But It Doesn't Take Off. So I Have To Let...

Asked by ccnance ·

1 ANSWER

1992

CHEVROLET SILVERADO

Engine Hot A/c Turned Off P1258?

Received A Engine Hot A/c Turned Off Dic Message. Engine Did Not Appear To Be Hot. Temp Guage Was At 160 Degrees And The A/c Was Not...

Asked by errormsg ·

17 ANSWERS

6 IMAGES

2009

CHEVROLET SILVERADO

Sponsored links

Ask a Car Question. It's Free!

Engine idles too high?

Please login or register to post a reply.

Related Engine Idle High Content

Engine Idles Too High?

Engine Has High Idle?

2005 Chevy Silverado

1992 Chevy Silverado Acceleration

Engine Hot A/c Turned Off P1258?

Sponsored links