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ranger 4.0 will start fine and then idle about 2000 rpm for about 10 seconds and then will stall. if it has been warmed up it will idle but very rough. code said TPS so replaced that, no help so then replaced IAC and MAF and also spark plugs. the truck has about 130k miles on it. Thanks in advance for any help or tips.
Pinpoint tests are used to determine the exact cause of the code, a single code can have many possible causes. Did you run the key on engine running test for codes?
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