maf sensor

certain 4.0’s in the junkyard, specifically 1990 and 1991, have a MAP sensor (and the MAF sensor) and a plug for it on the wiring harness. in every picture i see of a 4.0 with the MAP the vacuum line to the sensor is not even hooked up and has a small white piece on it. furthermore, i took the...

I have a weird issue, which i have come to believe to be an MAF problem. 98 4.0 with automatic transmission. Sometimes, if I idle for ten minutes or so, the idle becomes extremely rough. It will carry on once you take off, for the next 20 or 25 miles, and run very rough at all speeds. Then...

ok i have just bought my 2nd ranger now owning two. GO ME lol j/j. anyways both are 2001s, well i just bought the 3.0 2months ago and on start up in the lot it was a horrible idle and strugllled to stay alive, i figured it just hadnt been started in a while. as i drove it off the lot on start up...