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Stock JK TechBulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.
Hi,
The engine check light is on, I get code p0303 and p0300, in the compression test one cylinder is a little lower than the rest. Is there anything to be done about it?
JK 2015 sport
p3030 code, advice
