Question about Cars & Trucks
This is common with aftermarket diesel exhaust systems, it's the Exhaust Back Pressure Valve which will stay closed for a few seconds on a cold startup, it should go away after a few seconds, and shouldn't be a problem.
Posted on Dec 03, 2012
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Posted on Jan 02, 2017
Stick in key to "on" position, right before starting the car
Leave it in for about 10 minutes. After 10 minutes, than start it up to reset your system.
I was wondering if you had changed the battery or had problems with a security system lately?
When you change a battery or have security system problems, this usually has the same effect as you are having with your truck
Posted on Jan 29, 2009
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