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Car wont stay running once I come to a light.

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1gcrazy

15+ Year Contributor
1,552
9
Apr 6, 2005
Fountain, Colorado
Looked through about 40 different threads on the same issue and this one is easy but I just don't want to start throwing money/effort at this car.
Car runs great. It boosts fine, runs strong and feels awesome.....after you start driving. It's random, sometimes it will stay running and other times it wont. It'll die 80% of the time after I come to a light.
Idle's around 750 except after I drive and come to a stop.

I'm thinking:
ISC
TPS
ECU

Any thoughts?
 
O₂ sensor. 1g cars never throw a CEL when the O₂ sensor is bad. It simply stops cycling, and screws up deceleration idle. Sometimes it idle surges, sometimes it stalls.
 
Do you have a logger? That is one of the most important things any dsm'r should own. It will tell you what your ecu is seeing under the hood. You really need one if you want to save yourself some money and stay sane.
 
I had a leak at my bov vacuum line that i fixed, it stopped whenever i came to a liight, i fixed that and it solved my problem. Do you have any boost leaks.
 
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