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My grounds are also newly replaced with a heavy duty ground cable set.

I’m having a similar issue, turn the key lights all come on but no crank? I’ve changed the ignition pin, switched the relays and nothing. I also pulled the lock cylinder and used a screw driver to turn the ignition on and then the start position and nothing only the lights come on, I tried...

I had a whistle noise in my 2006 4.0 it was obvious taking my foot off of the throttle but I could not identify the source because it was most noticeable decelerating while off the throttle. A smoke testing did not reveal an intake leak that I could see this occurred some time after the gasket...

Oh smog time again it is every year for my tj hear in Sin City… we like our air clean and our girls dirty. And my baby’s been a dirty girl again. The dreaded post card came in the mail the one with the X smog required, ha OK she passed her test last year after lavishing her with gifts and...

Golen recommends Bosch but the ford injectors come up in threads on the stroker forum and Clegg lists them for the 2006 wrangler TJ stroker as a direct fit performance option. I’d started looking for OEM but hit on these and figured I’d see how it ran with them since my issue was running lean...

Well, the Tj is running pretty good passed smog and I wanted to wrap this up, If the knowledgeable experts of which there are many here disagree id like to know and I don’t want to mislead anyone else with all my guesses. i took it to a shop in town they had my Jeep for a couple weeks they...

I redid readings to all 4 sensors the grey ground wire is pretty consistent 2.5v range the white wires were consistently reading in minivolts I’d guess one of the grounds is shorted to the o2 power somewhere near the PCM? As was suggested maybe jamming in the battery exacerbated an existing...

I also thought one white wire from the sensor went to he heater and one white wire was power, black is signal and grey is ground? Is the signal supposed to show voltage Going to the sensor? And shouldn’t one of the white wires have 5v? I could have made mistakes but tried to keep the socket lock...

I started recording voltages I believe these are zirconia sensors? I need to double check and get the remainder tomorrow but there is a discrepancy emerging I think supporting a wiring issue? Rather than making a list I did a quick chart I think will be easier sharing the numbers. This may...

Alright I tested all 4 sensors the black signal wire and ground wire are used, there is nothing I can see to differentiate between the up and down stream as far as settings on the test device. Cutting to the chase bank 1 and bank 2 upstream passed quickly and both downstream failed this...

Ahh men to that, theres a shop in Vegas CarFixer with good reviews, a master mechanic claim for what that’s worth been in Vegas at least 19 years, I don’t see jeeps listed but maybe, Monday I think ill have to farm this out if nothing shows up over the weekend. I don’t really see anything...

Things started on my early morning drive cycle with some promise and might be a clue if I’m chasing wiring issues after doing the warm up and one 5 minute run at 55 coasting to 20 then driving to a spot close by to plug in my scan tool all but the heater had cleared although I had a pending...

I was looking at that I’d started with ground wires noting some non Jeep vehicles had a common ground terminal block for the O2, on the 2006 Jeep locations were all listed as different one on the front exhaust pipe one was listed at the rear of the main cat the other two were at other different...

Jerry thank you for the clarification, I saw the fuel tank requirement reading through drive cycle suggestions in different threads on the subject of getting your emissions ready for testing and guessed it might be for the evap monitor but did not have any other confirmation till now. I’ve...

Mac thank you, a place to start. Sounds like all 4 sensors share a common power source and ground at some point with the signal wire specific to the injector?

ahhh, wiring that’s the most daunting I don’t really know where to begin looking but yep I think my wiring in general looks tired and worn in a lot of places with plenty of spots the protection is frayed mostly in the places you have to contort to see and access is a couple fingers jammed into...

Looks like the same one but I had 25-001-07

i headed over to get my smog test this morning and the heat and evap were not ready when I got there and I had 3 pending codes so I headed back home and swapped in my original Chrysler PCM that had hard shift issues. the results were basically the same as the two wrangler fix PCMs. I changed...

The tune I’m not sure about, he went by the name doc and had a couple guys working for him his shop was in the neon district in Vegas. He did seem to know what he was doing but at the same time he was kinda shady projecting a slightly paranoid personality but who knows there’s all types and i...

I’m actually thinking I should just putting in stock injectors, Golin calls for 24# injectors I’m just not sure what the stock injectors are rated at? The PCM is going to force the fuel trims into the ratio set by he vehicle computer programming any way right now my main pcm is tuned down with...