03 dodge stratus rt 3.0

Asked by Jan 24, 2017 at 01:15 AM about the 2003 Dodge Stratus R/T

Question type: Maintenance & Repair

My dad has a stratus rt 3.0 and
everytime the battery is disconnected  
for whatever reason the car starts but
as soon as the idle goes down it shuts
off.  This has happened many times
again,  when the battery is
disconnected. The battery is new, the
car has always worked fine. Ive asked a
few mechanics what they might think is
the issue but no of them know exactly
what it is.  Would any one on here know
what the problem would be.  Again this
has happened many times and the only
way the car ends up staying on for
good without turning off is us cranking
it until the idle doesnt go all the way
down to 0.

1 Answer

98,395

Everytime you disconnect the battery you reset the computers back to factory presets, then the engine management system has to relearn the the vehicle and how you drive all over again. So check for any trouble codes and fix them if any are present, then clean the throttle body, the IAC unit and passages, make sure the codes have been cleared and then drive the car as you normally do for at least 20 minutes, this will allow the computer to run the drive time protocol built into its programming. Hopefully the base programming hasn't been corrupted by too many power disconnects.

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