Underdrives= Car revs high at first start up

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10-02-2012, 10:40 PM

07graygt

2nd Gear Member

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Join Date: Jul 2012

Location: colorado

Posts: 152

Underdrives= Car revs high at first start up

I just installed underdrives, and now when I start the car it revs up to about 2000rpm for about 30 seconds. Is this a problem? Do I need a tune for underdrives.

10-03-2012, 10:56 AM

baddog671

6th Gear Member

Join Date: May 2005

Location: MD/WV

Posts: 5,736

No tune needed and my car does that especially on cold mornings.

10-03-2012, 10:59 AM

AJSpags

2nd Gear Member

Join Date: Feb 2012

Location: California

Posts: 296

Same here..you are ok.

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