Question about Ford Ranger
Find out if it has spark when this happens , I have seen this problem before a few times an it was the ignition module ! I cant believe some of the stuff people wright for fixes ! If it where a bad connection it probably would not start in the first place ! What Engine does yours have 2.3 , 3.0 or 4.0L ? !T could be a crankshaft position sensor too , have seen them act the same way also ! Do you know how to pull a spark plug wire an hold it need ground to see if it has spark ? There a lot of good video's on youtube how to do electrical testing , voltage drop testing will find any ground problem , not looking for hot spots ! Voltage testing fundamentals You need to have a wiring diagram so you know the power an grounds , components ! How to test fuel pressure injector pulse and spark with basic tools
Posted on Apr 01, 2015
This sounds familiar, did I answer this last month? It sounds like an electrical connection that gets hot in 5 minutes, opens due to the heat and takes an hour to cool off before the connection will return. It probably continues to "cycle" like this forever untill the bad connection burns bad enough that any amount of cooling will not return the connection. This could be happening at a connection, or a relay. I bought a laser thermometer recently, Home Depot for about $15.00 I recommend you borrow or buy this tool to find the hot spot. or follow wiring from ignition switch to coil through ECU or Ignition computer to find a potential hot spot by feel. Infared goggles may help find the hot spot. Good luck, this is a difficult puzzel and will take some persistance to find the problem.
Posted on Apr 01, 2015
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Posted on Jan 02, 2017
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