I and trying to replace my fuel module sensor on my 87 ford ranger 2.9 i have the old one off, but can't seem to get the new one plugged in the dis. can anyone tell me how do u no it's conected

SOURCE: O reading for O2 sensors on 98 Ranger XLT

Yes the 98 ranger has 3 02 sensors,they are located in the exhaust system under vehicle,2 of them
are in front of the cataletic converter and 1 behind it.I replaced mine ,reset the codes and the check
engine light still comes on?

SOURCE: 1986 ford ranger sputtering and stalling out?

your having a weak spark issue you will need to remove your distributor to replace the pickup or the coil is breaking down sometimes this can be the egr but be careful removing this as not to break the intake hope this helps
p.s i had one with 2.9 and cured this problem on mine pick up in dist was weak but this could be emission also have any codes? good luck

SOURCE: my 1990 chevy cavalier hesitates at 60km

If your car is hesitating at 60 km, you may have any of these six problem-causes listed on this handy site link:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Hesitates_When_Accelerating.htm

SOURCE: 1999 ford ranger 4x4 4.0L

P1151 means a lean bank 2 O2 sensor
P1152 Means a rich bank 2 O2 sensor
P1309 Means miss fire detected
I would check your fuel injector for fouling
When they foul the will develop a drip
Causing a fuel fluctuation that will have O2 sensors reporting rich and lean voltage changes
This causes the pcm to adjust injector pulses making them shorter and longer.
causing more fuel or less fuel.
From this condition you may see plug fouling.
Also check for leaking or faulty fuel pressure regulator or restricted return line.
Most of the time it wont be a bad O2 sensor the O2 sensor is just doing its job.
You also have already changed the plugs and Map so there already out of the way.
If this helps please give me some feed back
Hope this works for you FixYa

SOURCE: Ford Ranger will not start

Common problem with the Ranger, the hot wire breaks right at the ignition key switch. The solution is to replace the wiring harness (not the "entire" vehicle wiring harness, just the wiring harness inside the steering column). Its a pain .. takes over an hour, but solves the problem.