Question about 2001 Hyundai XG300
I am having intermittent no start, and intermittent high idle. The DTC 1147, 1151, 1110, 1191, 1193 make me think the Accel Pedal sensor, but I'm considering the MFI control relay... looking for advice.
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Posted on Jan 02, 2017
SOURCE: XG350 2003 throttle problem
cars these day are all electronic
the exhilarate in your car is electronic the older cars used to have a cable that ran to the motor now they dont
these days the exhilarate is like a volume knob on a cd player, it tells the car to produce more power on not to.
it sends the message to the throttle body
the throttle body is in charge of mixing the air to fuel ratio more fuel more power your emmissions system is the exhaust system
all of this could be linked to the throttle body being damaged
if you want to know more just ask
hope it helps
Posted on Dec 28, 2008
If this is what I think it is, on the 3.5 Lit V6, you have an APS (Accelerator Position Sensor) and a TPS (Throttle Position Sensor). The accelerator pedal cable is NOT directly connected to the throttle body plate, it's connected to the APS. The APS sends its signal to the ETSCM (Electronic Throttle System Control Module) which in turn activates the ETS Motor located on the throttle body which opens/closes the throttle plate/butterfly. It's a very sofisticated electronic system. Both the APS and the TPS are known to go bad and simply replacing them is no guarantee of fixing problems in this system (often times it does, and frequently it doesn't). You should first verify there is a problem with these sensors (APS and or TPS). They are basic potentiometers (two circuits in each) which provide data to the computer regarding throttle opening for LOAD calculations (ignition timing, fuel injector pulse width, cruise control operation, etc). Best you have this system diagnosed by a professional technician who knows the system.
Posted on Jun 07, 2009
DOES THE ENGINE MIL WARNING LIGHT COME ON? WITH OUT MORE INFO YOU NEED TO CHECK MOTOR ON A CODE READER FOR STORED FAULTS, CHECK ALL AIR LINES TO EMMISION CONTROL, , SOUNDS LIKE YOU HAVE GONE INTO SAFE MODE, A SPLIT OR LEAKING PIPE ON THE INTERCOOLER IS A COMON FAULT ON THESE, IF YOU SWITCH ENGINE OF AND BACK ON QUICKLY WITH MOTOR RUNNING WITH OUT STALLING MOTOR AND IT CLEARS THEN IT IS PROBERLY THE SAFE MODE CUTING IN MEANING A FAULT HAS BEEN SEEN BY PCM
Posted on Dec 07, 2009
Testimonial: "Thanks.Didn't notice any engine lights came on. I had a problem free day today, but if it happens again will check warnings and PCM computer check"
This is a dirty or faulty throttle position sensor. It is on the intake manifold next to where the throttle cables attach to. You can go to autozone.com and register for free online repair manual that will show you where it is located and how to replace. Not a hard job, You can remove and try to clean with carb cleaner on the sensor side of it and electrical cleaner on contact side. Do make sure negative battery cable is disconnected when doing this.
Posted on Jan 18, 2010
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