Question about 1997 Land Rover Range Rover
I would change your throttle position sensor (TPS) or at least check all related wiring, fuses and relays concerning this device. It is located on the outside of the throttle body at the end of the throttle plate shaft. Its function is to send a an electrical signal to the ECU that correspnds to the position of the throttle plate. Your TPS is not sending a signal to the ECU so the ECU does not know to inject more fuel in response to the throttle being opened. The call for more fuel in the absence of immediate input from the TPS is being made to the ECU by the Manifold air pressure sensor but this can a take a second or two to respond to pressure changes, hence the hesitation in acceleration. One really quick way to check is to simply disconnect the TPS electrical connector. If it were running normally you will notice an immediate change in engine idle, as your is faulty you will notice no difference
Posted on Jun 03, 2010
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Posted on Jan 02, 2017
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