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I have a 1991 dodge ram 250,code 13 where is map sensor?????engine idles fine in park and neutral but sounds like crap in gear,problem just occured .[sm=dontgetit.gif]
See if you have the TBI fuel injection throttle body like this. Check the electrical connections at the MAP and the vacuum connection for carbon build up. Disregard my yellow hilte..that was for another poster.
yea thats what it looks like,i replaced the isc acuator last weekand that cleared up my hesitation problem.changed o2 sensor today.and that code doesnt come up now.thanks for the pictures..