Question about Cars & Trucks
The said to me you have problem with ecu
Not much details here. ECU is not the most likely candidate have you checked the basics - Spark plugs and ignition coils? While you have the spark plugs out what condition are they in is there alot of carbon build up (injectors blockage - over fueling), is there oil on the plugs - bore wear. How was the car running before it would not longer start - did it over heat - run low on oil?
Posted on Jan 17, 2013
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Posted on Jan 02, 2017
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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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