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-   -   Check engine code 13? (http://www.jeepforum.com/forum/f13/check-engine-code-13-a-1237539/)

Grand93Cherokee 07-09-2011 04:21 PM

Check engine code 13?
 
"Indicates a problem with the manifold absolute pressure sensor vacuum source"
Can someone translate this to something I can understand, and how to solve this problem?

Thanks!

Grand93Cherokee 07-10-2011 07:55 AM

Bump! Need some help ASAP.

mudruna 07-10-2011 08:13 AM

not sure of the location but the MAP sensor is on the intake manifold, there should be a couple of wires coming out of it and apparently a vacuum line. check the connection and that the vacuum line doesn't have any leaks, or it could be bad sensor.

ZombieJeep93 07-10-2011 08:30 AM

#13: Slow change in MAP from start to run. Basicly, the PCM didnt see a significant change in the sensor reading from when the truck was starting to when it was at idle. Its on the firewall just to the drivers side of engine, has a vacuum line and an electrical connector. Check vac line for blockage or being pinched or disconnected. Most likely is a failed sensor. If your able to, check for 5volts on pin 3 (violet with white stripe) and ground on pin 1.


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