1989 Dodge Ram D-Series Pickups - Page 2 - Answered Questions & Fixed issues

The bigger parts stores will scan that free of charge to see what problem code comes up, and that would be a good place to start. Saves money and time when code points everyone in right direction. If problem isn't obvious from code, get back to us with the code and we'll guide you from there if needed.

Generally you want the needle to be about in the middle, between the lines.

bleed master cylinder first
if anti wheel lock valve fitted make sure fluidis going through it hope this helps

idle air control valve

I suspect a clogged fuel filter.

yes bushings will be worn out and possibly pins too

from autozone.com

pull wheel, brake caleper, bearing asembly,then alke will come out.

If it were mine I dont think I would mess with the drain plug on the tank. If its ben sitting for a long time its more than likely stuck for good. If you torque on it to much you take the chance of snapping it off then the tank is junk. I would locate the fuel filter it should be along the frame rail between the tank and engine. Take the filter off hook a rubber hose where the filter was, on the tank side only. Put the other end of the hose in whatever your using to cetch the old gas. then turn the key to run possision it should start pumping fuel for a few seconds then it will stop. Cycle the key from run to off then back to run and it will start pumping again keep doing this till empty. Put a new fuel fillter back on. Or you could just stick a hose down where you fill with gas and syphin out. but syphin does not drain the lines or TBI the other way will plus you have to change fuel filter anyways. If you have any more questions feel free ask Ill be online off and on today.

the dodgge dealer or any parts store.also yhe local library may have it in there reference section

u joint is 20 to 35 depends on quality,,but u have to take rotor off hub & bearing,,to get the axle out to service the u joint,,,

you have an oil pressure sending unit located at rear of engine next to distributor. that would cause the oil gauge not to work. also look for a short in electrical wires to oil sending unit. hope this will help!!!

The idle is controlled by the ecu via a idle control motor,check for air leaks and clean the idle motor with carb cleaner.

One or more of your wheel locks is bad.

12 Battery or computer recently disconnected (will occur on most cars most of the time, it indicates a low / missing battery happened in the last 50 key starts. Don't worry about it. — Tom Wand)

24* Throttle position sensor over 4.96V (SEE NOTE #3)

35 Cooling fan relay circuit open or shorted

52 Oxygen sensor stuck at rich position (SEE NOTE #5!)
OR
52 Internal logic module fault ('84 turbo only)

17 Engine stays cool too long (bad thermostat or coolant sensor?)

NOTE 3
Matt Rowe: “The throttle postion circuit tells the computer how far the accelerator is depressed. The Throttle Position Sensor (TPS) is on the throttle body on the opposite side of the throttle cable. The connector should have a round rubber cover over the connections. Clear the fault codes, start the car and try jiggling the wires/connectors to try to trip a fault code. Loss of this signal could cause other problems.”
Tom Wand: “Throttle Position Sensors (TPS) will on some early 1990s trucks start to drift high in voltage, there was a problem with these and the idle will not set low enough. Need to replace if it does this. As I recall, the output voltage at idle is 2.4 volts, much above is no good.”

NOTE 5
Wade Goldman wrote: In my case, the breather tube leading into the catalytic converter had rusted and become detached. This some how would cause the sensor to read an over rich condition and run crummy. I did not trust the reliability of the weld over a corroded surface and opted for the more expensive route of replacing the converter, breather tube and all.

More details can find in 80s-codes

Hope thats help (remember rated this FREE help) Good luck.

Go to AllData.Com and subscribe, they have all the schematics.

check the master fuse pannel under the hood for blown master fuse

behind the glove box

a wiper control relay a napa part store may have universal one, yours should be on lower steering colunm

with radio on depress the set button and "p" will be displayed within 5 sec. depress the sel button and hours and a flashing colon will be displayed, rotate the tuning knob clockwise to change depress sel button todisplay minutes, and make the setting the same way