pk1was Posted May 11, 2017 Report Share Posted May 11, 2017 (edited) GTi likes to start a bit rough every now and then occasionally throwing a code for the cam position sensor, fitted a new on the other day and now there are 2 different codes I have never had before. cam position sensor / engine speed sensor - P1340 bank 1: camshaft A (intake) position actuator malfunction - P0010 anyone help me out? Particularly with the second code. thankyou Lewis Edited May 11, 2017 by pk1was Quote Link to comment Share on other sites More sharing options...
Mobieus_uk Posted May 11, 2017 Report Share Posted May 11, 2017 check the timing, make sure all the marks line up Quote Link to comment Share on other sites More sharing options...
Rich Posted May 11, 2017 Report Share Posted May 11, 2017 I thought that as a good place to start. Quote Link to comment Share on other sites More sharing options...
mk2 Posted May 11, 2017 Report Share Posted May 11, 2017 Yeah sounds like throttle position sensor is giving the system unusual numbers. The throttle servo works by supplying a varying voltage (pwm actually) to the throttle motor- which should respond exactly with what is being supplied. So ecu demands say 15% throttle then measures the tps voltage, which should tell it that it is 15% open. It should tally. If it doesn't, it usually means the tps is knackered, the throttle valve is stiff (gunged) or the whole assembly is on the way out. Or it even might be a loose connector to the throttle body. the other is like mobieus says... Quote Link to comment Share on other sites More sharing options...
mk2 Posted May 11, 2017 Report Share Posted May 11, 2017 Just now, mk2 said: Yeah sounds like throttle position sensor is giving the system unusual numbers. The throttle servo works by supplying a varying voltage (pwm actually) to the throttle motor- which should respond exactly with what is being supplied. So ecu demands say 15% throttle then measures the tps voltage, which should tell it that it is 15% open. It should tally. If it doesn't, it usually means the tps is knackered, the throttle valve is stiff (gunged) or the whole assembly is on the way out. Or it even might be a loose connector to the throttle body. the other is like mobieus says... Scrub that... Ignore the throttle thing... Misread your Q. Yeah, check timing. Nothing to do with the throttle! Quote Link to comment Share on other sites More sharing options...
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