hey guys found my my bad idle prob and loss of power!!!

[joecrotch]

hey everyone just thought I would share.

I have been chasing this bad idle,backfiring out intake, and no power problem for 2 weeks now(only had truck for 4 weeks lol).

Anyway I did all the usual and cleaned MAF and EGR Valve and all that. replaced vacuum lines. and was waiting for the ford racing wires I ordered.

So they came in yesterday and I started pulling plugs and inspecting them.

little back story I had the codes pulled and it gave lean 02 on sensor 1 bank 2.
and misfire on cylinder 3 and 4.

anyway I pulled spark plug 3 first to check it and there was a half inch wide carbon track down the side of the ceramic insulator pulled 4 and same thing so I believe I have found the problem.

getting ready to do all the plugs and wires now, just wondering if there is any hints or tips you guys have to make it go smooth.

thanks guys!

Joe

P.S. been meaning to post up some pics of my expy here you go, check out that carbon track!!!!

 

[joecrotch]

Holy crap this thing actually has power!!!! and its smooth!!!

 

[dwwright]

Just picked up a 99 with 151k, any tips on changing the plugs? Not sure this one has ever been done.

 

[toms89]

Cool.... bet your happy you found the problem!

Looks like plug hole had water in it at some point with all that rust.

 

[walnuts4x4]

Just picked up a 99 with 151k, any tips on changing the plugs? Not sure this one has ever been done.

best to start a new thread and not piggy back on older ones....

but best thing is get a torque wrench... swivel and various length extensions and spray the COP bolts with PB blaster the day before... and take your time since you only have 3 threads on the heads... and torque them to 28ft/lbs... I believe... and only use OEM motorcraft or autolite double platinums...

 

[GAINMOB]

i sont see the carbon track...