egr,map,tps?
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Junior User
Joined: Dec 2005
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egr,map,tps?
what would cause the plug to the egr,map sensor and throttle position sensor to make dull illumination on a test light? i changed the plugs them selves ( such as when you change an alternator sometimes you need to change the plug too) and the sensors but the problem is still their and with obd it throws the codes for the egr,map sensor, and throttle position?
Tuned
Joined: Feb 2003
Posts: 426
Likes: 4
Are you getting the illumination when the key is on? Or when it is off? Also, on which colored wire of the plug are you getting the illumination? And what are you grounding the test lamp to? Since the items mentioned (egr etc.) all work off of a constant 5 volts from the ECM (computer), that would probably make for a low illumination. That would occur only with the key on, though.
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