20 Most Recent 1988 Ford Ranger Questions & Answers

if its an ohv type the most common fault is that the oil ways to the rocker shafts become blocked
so get some flushing oil drain the oil and replace with the flushing oil and run for the time stayed on the can then Change to good quality oil and new filter
then remove the rocker covers and check and adjust the valve clearances
if its an ohc type its all hydraulic adjustment
you could try flushing as above but apart from that the only other way is to change the lifters and followers
hope this helps

1988 Ford Ranger | Answered on Jul 12, 2019

Aside from the obvious checking the oil level, Some vehicles have an oil sender that plugs in near the filter. Check for any sensors in the area and make sure they are connected properly.

1988 Ford Ranger | Answered on Mar 27, 2019

The PCV valve is under the intake on the left (drivers side) above the block. It looks like this.
pcv valve-vpddmisrgqiwixpzyd1d3rna-4-0.pngIts hard to give a proper diagnosis without photos of the leak. The best thing to do is to clean up the area as much as possible and run it till it leaks. Then you should be able to see where its coming from.

1988 Ford Ranger | Answered on Apr 12, 2018

ford ranger 1990
If you have trouble in fixing your vehicles, try this link. Very helpful

1988 Ford Ranger | Answered on Feb 04, 2018

from your statement there has been no fault code reading done and it has all been guessing
Has anybody thought of checking the cat converters for failure and blocking the exhaust system
rich and back firing indicates injector seal leaks which will not show as an independent code but as too rich

1988 Ford Ranger | Answered on Sep 15, 2017


Click on the link.
Usually on older vehicles, the headlamps don't use a fuse, but, fusible link, as shown in the diagram. Usually the park lamps and instrument cluster illumination are fuse protected, like the diagram shows, Not only check the fuses, use a test lite to check for voltage at fuse and at fusible link. The wires on top of switch in the diagram are voltage to headlamp switch, the wires on the bottom is voltage from head lamp switch to component.
Usually one of the wires from Battery positive goes to fusible links, at the moment, I don't have location.
Hope this helps, a little. I just want to add voltage and ground both are important.

1988 Ford Ranger | Answered on Sep 14, 2017

Have you checked for vacuum leaks at all lines and going to the MAP sensor? It also has a TPS(throttle position sensor) and CPS(crankshaft position sensor),I think.
I'm thinking vacuum leak or TPS. don-ohio

1988 Ford Ranger | Answered on Jun 05, 2017

lightly all around you don't want any excess falling inside to clog the filter

1988 Ford Ranger | Answered on May 03, 2017

the problem is in the transmission
if the noise stopped when in 4th gear then that indicates main shaft and counter shaft bearing problems
there is no actual 4th gear but a sliding dog that locks the input shaft to the main output shaft making te drive a complete shaft
that means that there is no side load on the bearings and so the noise stops
when all of the balls get to one side of the race because the cage has failed , then the gears can get out of mesh and lock up on the teeth
At this point a box removal and pull down by an accredited transmission shop would be in order to get a proper diagnosis and quote
I suspect that another box from a wreckers or junk yard will be the cheaper repair option

1988 Ford Ranger | Answered on Apr 23, 2017

1-3-4-2 being 1 is at 1:30 or so. Mine works fine now

1988 Ford Ranger | Answered on Apr 14, 2017

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