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Showing results for tags 'tbi'.
I'm replacing the head on a 1988 wrangler YJ when i noticed a couple odd casting +head numbers. If my research is correct, I have a 88 head (or possibly 84) on a 83 engine block...Is this ok??? What's led me to believe this? Head #s are 3242 893. The 893 matches the Cast # that i looked up when ordering a replacement through Autozone. Though there is also the number 84 written on the block a little further down...making me think it may belong to a 1984 cj7? The engine cast # is 312U07. The other number on the engine block is 3239448. Sources online say th
jeep just died the other day. Wont fire up. Checked the injector and nothing is coming out. I have spark, and fuel pump is working. changed the injector and still nothing. I am getting 3.5 volts at the injector plug. Is that the right amount? My diagnostic chart says battery voltage? Help.
Hi Guys! I've scoured these pages the last couple days, but can't find anything that matches my specific dilemma. I have a 1990 Wrangler w/ 150k miles on it, recent acquisition by my future son-in-law. It was running relatively fine, but it quit suddenly on a recent trip. It started cutting out when hitting bumps, then finally quit altogether. After dragging it home, hitting the forums, swapping a few parts, following all the sensor tests and wrapping my head around this TBI setup, I am afraid I have a partially dead ECU. -All ignition parts replaced- Ignition Module, Coil, Wire
Hi all, I am new to this forum, and to Jeeps in general. I recently got a 1990 Comanche 2wd, with the 2.5 TBI engine, and over the past few months have been trying to get it going. It was parked for about 10 years due to a bad transmission, and possibly the issue that I have now encountered. I am going to try to be as thorough as possible, but I am stuck and need some outside eyes. My dad is a professional mechanic with his own shop, so I have tools etc. at my disposal, but this thing has both of us stumped. Issue: I replaced the fuel pump and tank, flushed the system, along wit