With these rigs its probs possible to check compression using a scan tool....unsure...Im not tech savvy...however, the 'old skool' method would be to remove the injector....NOTE: CAUTION-DIesel engines have an extremely high compression pressure...injury can occur !!!.....ALSO...from the notes made on threads on this forum, many highly skilled forum members have 'struggled' removing the injectors on these engines, some causing damage. I would wait until All Grand Cherokee opened and contact them FIRST....at times we tend to create more problems then we initually had by 'charging into' things without the correct info....much better to be safe rather than sorry.
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WK2 MY13 CRD LIMITED
Only dumb people think their smart...rest of us learn everyday
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