Recent content by guysnydr

I believe it is idling at around 700 RPMS's but I can double check that. The plugs were changed about 4,000 miles ago BTW.

The Jeep is actually my daughters. She ordered these sensors: https://www.amazon.com/gp/product/B07RZ7249H/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1#customerReviews Could bad o2 sensors cause this? That was my first thought since it started this the day after the 02 sensors were...

Anybody good at chasing down a PO300 misfire code? Got this code a few months back, turned out to be very old/bad spark plugs. Been running perfectly fine since new plugs, well until yesterday, now the PO300 is back again, seems to run fine going down the road but at low idle starts running very...