Question about Ford Ranger
Trouble code P1309: Misfire monitor hardware - CMP misaligned, CKP/CMP noise (static), PCM AICE chip (engine computer).
To expand on this definition for you - it basically means there is a problem with the hardware (Wires, Cam or Crank sensors or engine computer itself) which is involved in detecting a misfire.
The hardware problem could be a misaligned CMP (Camshaft Position sensor), or a problem with the CKP (Crankshaft Position sensor) or indeed the engine computer itself.
The problem with these trouble codes is that they are diagnostic pointers and not definitive in themselves. The problem will require more troubleshooting to determine exactly which of these hardware components is at fault. However it does narrow the problem down to one of these.
Hope this helps. Please do rate my answer. Many Thanks.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
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