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2004 3.9 89k miles So iv been battling a rich/timing issue the past few months with my project ls. I originally had a bank 2 rich code, an o2 sensor code, and p0012 for a stuck solenoid. The o2 sensor was replaced and the bank 2 was most likely due to the charging system being half ass...

UPDATE: completely mixed up the banks. My apologies I have edited the original post. But considering that i have already changed this o2 sensor. (Bank 2 before the cat). And Did voltage tests for the wiring and everything came out ok. Could this all really be a bad cam Solenoid, or something...

well I currently have p0012 (retarded timing bank 2) and p0135 (????). Car symptoms are rough, rich idles, and lack of low end power. Runs fine when driving. Was wondering on where too go from here, diagnostic tests too fixes. Im aware the p0153 can potentially be caused by a bad 02 sensor...

So i have p0012 and p0022. Iv done some digging and some potential culprits iv put together could be camshaft phasers, dirty solenoid, and a bad tensioner. (Rest have been ruled out but will still be checked) I plan on cleaning the solenoid when i have the cover off. And iv figured out an easy...

Update: we took the EGR out and the plunger was carbon locked in-place. Replaced it and the rich code is gone. Nice. But i still have p0012 and p0022. The car runs much better and most of the time has a healthy factory like idle, but occasionally runs a little rough. Both solenoids engage...

Down to the last step of getting my project ls registered and im having really weird emissions issues. Pretty much the car starts to run very very rich at idle and you can hear little backfires from the exhaust. I get p0175 fairly quick after resetting codes.(bank 2 rich). Then p0022 and p0012...

NEED HELP IDENTIFYING THIS PART!! Whats its purpose as it dosnt look like a ground. Was disconnected on both sides and might be causing the codes…

Did an oil change and have driven the car a bit to get it aligned and still codes.. now i have p0010, p0020, p0135, p0155, p0175. The only wiring we haven't checked is mid point connection in the wiring harness to PCM. I will be tomorrow. Any other weak points or potential problematic...

Thank you for clearing that up. I did some testing and got 2.5 volts on each pin referenced to ground. And 7 ohms between the two pins. All seems in order. Additionally we sent (I'm forgetting how many volts) to each of the solenoids and they both made a loud and healthy sounding tick like...

Sorry valve cover* NOT the head. Still a headache to remove on the driver side. But to clarify whats the difference between the VVT and VCT. Im struggling with determining witch is witch as i keep seeing the terms used almost interchanged.

Hello again, back with another issue. My 04 3.9 has had some engine stuff. We had a 0020 code for the VVT sensor on bank two for a bit. The cars was on jacks and we were testing wiring and such since id rather not have to remove the head.(all checked out and everything had and has power) And...

sounds good, turns out my shocks arnt blown out as well. I was looking and the tech guy was just being dramatic about the upper wishbone to knuckle bushing being blown and each side. Seems common an these cars. So i wont be considering low anymore. But I cant seem to find just the part for the...

I had something very similar happen to mine. (3.9 04) it would only leak when the car was warmed up. The hotter the engine the faster the dripping/stream would be. Turned out to be the water pump needed replacing and coolant was exiting through weep holes. Obviously could just be the gasket as...

I got the car jacked up and got to look under. There are no broken bolts! (I believe so at leased) I actually looked before reading this as I suspected thats why they were missing in the first place. The subframe is actually aligned enough to were i can still get the bolts in either way. Can...

HERE ARE MY QUESTIONS AND THOUGHTS I WOULD LIKE HELP WITH!!! 1. Is the Ls even able to be aligned with hand tools? It may be a dumb question but can you adjust camber and toe like some other cars? Has anyone here tried to on there own? 2. There is a kit for the Ls i am attaching a...

Another factor is the blown out front shocks. I was also warned my front “suspension” is extremely warn out. He was very vague about the exact part be he said either the top knuckle of the struts or something close. He mentioned general maintenance as well as the linc feels a little bouncy and...

Hello everyone, kind of a long one but could use all the feed back I can get. I have an 04 LS v8 ultimate, it has a rebuilt title. It had a front impact at some point and it seemed to only be minor front frame damage and previously broken parts replaced. Took it in for an alignment the other...

04, LSv8

Hey everyone, iv been digging through some old posts and saw lots of this and that about suspension and parts and I thought it would be best to just ask straight forward. I want to lower my Ls. Nothing crazy just a bit. How complicated does this become with the setup the ls is running? And...

never been so embarrassed saying i fixed somthing… THE CAR RUNS!! And all it took was a ziptie! What was it? The wiring harness was unplugged.. I was going through random bits and ends to see if i could find something, and i saw one if the main wiring harness connections in the engine bay...