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I am planning to change my injectors to re-manufactured 746 Bosch units.I saw a set on ebay - claim to be matched flow. Is there someone on this site that rebuilds them or a current reliable source? Thank you, Don

1987 XJ 4.0 Automatic TPS - ground test = less than 1 ohm TPS - base voltage 4.88 TPS - max voltage I could get rotating was under 2 volts Ordered new TPS and I am getting the same results. Unless I missed something and this is done at WOT, then I could dial it in. Thanks, Don

Recently got a few miles on the Jeep. In all about 200 since I began to rebuild things, was on jack stands for 7 years. Making progress on the mechanical front. Want to make sure the 4.0 is starting as it should. My goal is a complete restoration not for show but to have as a solid, clean, sharp...

Recently got a few miles on the Jeep. In all about 200 since I began to rebuild things, was on jack stands for 7 years. Making progress on the mechanical front. Want to make sure the 4.0 is starting as it should. My goal is a complete restoration not for show but to have as a solid, clean, sharp...

Today I briefly got stuck. Turned the key, heard the fuel pump - no crank. Giggled connectors and relays - nothing. Tapped the starter and it cranked at a lower RPM then typical but it started. Got it home charged the battery, same lower RPM cranking starter issue. OEM part number shows a 4...

1987 4.0 Can't find the part number for the CTS (on block just above oil pan) that has a connector similar to an injector. Thank you for the help.

I have done a fair amount of work on my 87 Wagoneer with a 4.0. I have been bringing it back to life after sitting on jackstands for 7 years. I want to make sure that whatever this, first it won't leave me stranded and to isolate it so I can fix it. I will be driving along and every 10 to 15...

Hi all, I just installed a new radiator and swapped everything to a open system. I now notice a sound that takes place under moderate braking. It has a faint cycle or pulse sound (only). MY investigation into pieces that may gave3 been broken or disconnected allowed me to find the rubber...

Hi all, Because both my radiator and pressure tank and cap had issues, I decided to change out my cooling system for open system. I am however puzzled by one step and can';t seem to find the info. The coolant recovery bottle hooks up with 1 hose from the overflow of the filler neck of the new...

Hi All, While leaving my Selec-Trac in full time 4hi, at times it seems to operate fine. I can make a sharp right or left turn and not notice a thing. Other times there is a slight binding while turning and every once in a while a bang/pop sound similar to hit a sharp pothole. All of these...

Hi All, I am new to Jeeps and so I don't know what is right vs wrong. Also I have attempted to search but get a parse error message. My newly acquired 87 Wagoneer Limited with a 4.0 was running really bad. Turned out to be a cracked head. Once repaired with a head, lifters and plugs, cap and...