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P0727 Diagnostic Trouble Code Discussion for May 2007

Engine Speed No Signal

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Trouble Ticket Help Requests for DTC P0727
Help Request Posted
1995 Land Rover Range Rover County Classic 3.9L No Start VIN: SALPV1240S
P0727: Engine spd input ckt no signal. Car starts & runs fine. If i shut key off & try to restart it cranks but won't start. I need to wait 20-30 seconds & it will restart. Spoke to several Rover dealers & they could not explain how the computer sees the RPM's. Is it the crank senso...
May 04, 2007
1995 Jaguar XJS 4.0L Hesitation VIN: SAJNX2744S
P0727: engine speed input circuit no signal. with modis on generic obd2 lt fueltrim is at -89% on both banks and when code is cleared or battery is disconected to clear adaption fuel trim stays at -89% will not go back to 0%.which means the ecu is taking away fuel. also the maf is .03 grams per sec. at i...
May 25, 2007