Search results

Made a video on our new favorite mod! Heated 12v blankets!

So I did a leak down test, and there was no significant leakdown in any of the cylinders. I repeated the test and got the same results. Also did a wet compression test and got normal results. I don't think I will be tearing it apart just yet. There has to be something I haven't considered...

Made a video outlining the misfire issue I am having + I included a DIY guide on how to change the coil on a Jeep TJ. Have exhaust clip towards the end. All help is appreciated, would like to figure out the misfire issue. Keeps throwing a cylinder 3 misfire despite normal compression, new fuel...

Sweeet thanks. While I am getting the head done, anything else I should change while I have it open? Lifters? Push rods? The engine was running perfectly prior to the burnt valve.

Apparently you can have a normal compression test with a burnt valve. The only real way to diagnose valve problems is by leak down testing, which I will perform if time permits. I found the vacuum leak on the connection from the rear PCV vent to the intake manifold. I don't think this is what...

I haven't taken care of the fuel pressure yet. Had a mechanic friend take a look and he said its normal for the pressure to bounce like that at idle because there is no fuel return. In any case, I will replace the pump soon just to have that piece of mind. Today I held a piece of paper against...

Hmm so it made no difference that I unplugged all 4 cats. What should I try next? I am at a loss here.

Here is a video clip of what the exhaust sounds like. https://photos.app.goo.gl/v6ysjjVCKP7DaNxC7

Replaced the coil and put the injector 3 heat shield on and no difference. I notice when i place my finger over the injectors while the engine is running, that the number 3 injector's pulses do not feel as strong as the rest. I am wondering if it is the wiring. Going to be doing a noid light...

Wondering if I should go with this unit instead https://www.amazon.com/E7115MN-wrangler-gallon-Module-Assembly/dp/B07MYW9PY6/ref=as_li_ss_tl?keywords=jeep+tj+fuel+pump&qid=1565913858&s=gateway&sr=8-3&linkCode=ll1&tag=jeepinaway-20&linkId=ccc1b9fe5b4e4a40ba7c4a5a4703a0cc&language=en_US

Thank you for all of your help. Yes, I found that link too, but they no longer make the fuel pump. (it is obsolete). Will try all the other suggestions soon.

Thank you for your response! Throwing P0303 Code - cylinder 3 misfire. Nothing else. Plugs are champion 7034 and gap was about .035 on all 6. No fouling or gas smell on any of them. Coil is the original coil, with 256k miles on it. Compression was all 150 +/- 10 among all 6 cylinders...

Since the regulator is part of the fuel pump as an assembly, I said that it (the entire unit) only has two connections. More importantly, there is no vacuum line. Any idea why? Do these vehicles just not have a vacuum line to the fuel pressure regulator?

Yes, my regulator looks like that. The only output is the fuel out as pictured. Where is the vac line in that image? Also, I will be doing some injector noid testing to test your suggestion of faulty injector wires. Lastly, based on your experience, is the fluctuating gauge at the fuel rail...

My fuel pressure regulator on top of the pump does not have a vacuum line. Just two connections, 1 for electrical harness and 1 for the fuel output. I have the vacuum lines from the EVAP system that go into the 2 rollover valves on either end of the gas tank. Which would you like me to pull...

My regulator is at the pump, its a 2001.

Regarding the regulator vac line, I don't have a vac line directly connecting to the regulator. I have the vac line connecting to the two rollover valves on either side of the gas tank. Is that what you are talking about? If not, where would the fuel pressure regulator vacuum line be? Thanks!

Totally appreciative of your post. Will be trying exactly what you said after I try the the injector 3 heat shield. Thanks for your help!

Thank you for the comment! I have not been able to fiddle with the rig due to work, but I ordered the factory heat shield for the third injector. Hopefully it does the trick...