Re: 87 ranger 2.9 starts but misfires and won't run
Not sure if your having this issue still, but mine was doing the same thing. Have you replaced the TFI module on the distributor? Maybe the coil is bad. It could also be the crankshaft position sensor in the distributor. I replaced my whole distributor after testing and finding a bad one in mine. That helped a lot. There is a site that walks you through how to test these parts. troubleshootmyvehicle.com
I just typed something like 2.9 ranger coil test in google and came up with that site. Ultimately I replaced my ECU and It runs perfectly now. But that was a last resort replacement for me.
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1987 ford ranger 4x4
Single cab long bed
2.9l 5 speed
Stock except lift