I am the proud owner of a 1994 Ranger XLT extended cab with a 2.3L with nealy 182k miles on it. For the last few years I have experienced an occasional stumble while driving around. The truck seems to lose a cylinder and loses power while in fifth gear on the interstate. If I shift back into fourth the engine regains stability and smooths out. Just curious if anyone else has had the same problem. I hope to drive my truck until it reaches 250k or more miles hopefully many more. Any and all ideas are appreciated and thank you all in advance.
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Welcome, and I would guess fuel delivery or spark as the first culprits, then I would possibly consider the cat. converter.
Replaced the cat about 2 years ago and the fuel pump went out at about 125k and was replaced. I do still have the original plug wires on my truck tho but the plugs have been changed. Someone told me they had a similar problem with their Ranger and they took care of it by changeing the TPS. I looked into that and it looks to me like I would need to take the intake off to get to the TPS and unfortunately I am not all that mechanically inclined. How difficult is it to change the plugwires on my truck as it looks to be a pain. Four of them are easy but the other four ...
Wow, change the wires already! They are a royal pain to change but that is more than likely the culprit. Pull the truck into a dark space and let it run and lift the hood and I can almost bet you'll see cute little lightning bolts all over the place.
The plug wires on a Ranger are definitely a pain to change! If you know somebody with small hands have them help you. Not real familiar with the 2.3, but I know on the 4.0 even with me having small hands I can get cut pretty good.
take off the throttle body, 4 bolts, makes it alot easier to change plugs and wires. did mine last week in 1 hour.
