Difficult to drive smoothly,Engine runs rough, acceleration lag and harsh acceleration

Asked by May 31, 2017 at 04:33 AM about the 2014 Jeep Wrangler Sahara

Question type: Maintenance & Repair

I am the second owner, it has the 2.8 crd engine, found out that the engine had
been chipped by the first owner, it fools the engine management system re- air
intake and hence more fuel is injected increasing bhp, removed the chip,
particulate filter re-generated twice, it runs fine for a while and gradually
deteriates. Any suggestions please

1 Answer

269,235

There might have been some programming done when adding the chip. so you would need to set the program to the default parameters.

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