Stalls when it's in gear
Thread Starter
Senior Member
Joined: Feb 2011
Posts: 653
Likes: 5
From: Long Island, NY
Car: 87 Trans Am, 99 WS6, 16 Mustang GT
Engine: LB9, LS1
Transmission: 700R4, T56
Axle/Gears: 3.42 Posi, 4.10 Posi
Stalls when it's in gear
I'm having a problem with my car, where it will stall if it's in gear and it is standing still (like sitting at a stop light). The motor will idle at about 600rpms when I put it in drive or reverse, and will start to stutter and stall if I don't tap the gas. It's fine while driving. These problems only occur when the car is cold.
I don't drive it all that much and it sits outside, if that could be causing it.
Any help is much appreciated.
I don't drive it all that much and it sits outside, if that could be causing it.
Any help is much appreciated.
Senior Member

Joined: Jan 2009
Posts: 611
Likes: 2
From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Re: Stalls when it's in gear
Same here. Mine runs like it has a huge cam unless I let it run for 5 minutes in the morning before I get in it. I think it's just the fact that the over the years clearances have become greater and the heat helps close it up.
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