Rough idle and terrible gas mileage (worse than before)
#1 Thank you for your time #2 I searched the site for topics with "rough idle" and got great info. just thought it wouldn't hurt to explain my specific case. #3 I appreciate any, simple or complex, advice anyone will give me. I'm getting into working on my jeep, but im no full on mechanic...
'98 XJ I6 4.0L
Rough idle the whole time I'm driving. usually dips down to about 600 rpm's when breaking. also makes a jump up from the rough idle to about 1000 rpm's every 2 mins or so. I've recently had the fuel injectors flushed. I pulled out the spark plugs, one of them was bent a bit. So i bent it back, cleaned them all with a bit of gas. the cleaning (and the flushing injectors) helped the problem for about 3 days... then back to rough. ive seafoamed her about 10k miles ago. i added the seafoam thru the brake booster, only. seafoam her again? thru the oil, gas tank, and vacuum hose? i guess ill ask my mechanic to run a compression test? (feedback?)
she doesnt over heat. stays at 210. there are some tiny bubbles coming up in the coolant.
like i said. thank you for your time and just want some help, not to get bashed for making a repeated thread or anything. thanks again.
Last edited by WantMoreOUTDRS; 10-25-2013 at 02:22 AM..