Question about 2003 Lexus Gs 300
For some reason I unpluged the throttle wiring socket when engine off, then take it back & start the engine; I was suprised that engine & VSC lights up + rpm goes at 1800rpm in Nutral mode. I tryed to disconnect the negetive battery led and connect it again in order to get everything to normal but still problem remain
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Posted on Jan 02, 2017
SOURCE: 2001 Lexus LS 430 the
Apparently, the most common cause is a loose gas tank cap. It has to be tightened until it clicks. Other, more serious faults can cause this indication, but the loose cap issue is widespread. Hopefully, that's all it is in your case!
Posted on Feb 12, 2009
SOURCE: my engine light is on
when the check engine light is on it is to alert you to the fact that a trouble code has been stored in the computers memory, there are over 200 such fault/trouble codes so guessing is not an option, u will need to have the OBD 2 engine control system tested and then post the trouble code back here, there will be a code.
Posted on Aug 14, 2009
It will be a sensor fault. At this stage we would be totally guessing. Go to your nearest auto parts store that offers free code - reading
Get the code & post it on here, I can then get you exactly in the right direction
Posted on Dec 29, 2009
Tips for a great answer:
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May 30, 2011 | 2008 Lexus Rx 350
Unplug the electrical connector on the IAC valve located on the back of the throttle body near the firewall. No tools are needed to unplug the connector. Squeeze the release tab on the plug and pull to remove it.
Turn the ignition key to the run position but do not start it at this time. Unplug the electrical connector once again, and turn the key off.
Start the engine, and adjust the minimum air rate by turning the adjusting screw located on the throttle cable side of the throttle body until the idle speed is 650 rpm plus/minus 50 rpm. Turn the engine off, and plug the electrical connector back in--pushing until it clicks into place.
Feb 04, 2011 | 2000 Ford Focus
How to Check? The MAP has three electrical
pins, one for 12 volts (or 5 volts) reference, one for ground and the third
(the middle one generally) is the 'signal' output. Put a voltmeter positive connector on the 'signal'
pin of the connected socket (back probe by inserting a bit of wire). Apply suction to the vacuum input, even
sucking on it with your mouth, should result in a measurable voltage output. At normal air pressure (open throttle) the
voltage seen should be 0 volts. As
vacuum is applied the voltage output should change to about 5 volts (throttle
closed at idle). If no transition seen
the MAP is faulty.
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