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  #11  
Old 08-25-2010, 04:25 PM
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As for the IAC, it could just be sluggish and the only real way to tell is to replace it with a known good part. The TPS can be checked for glitches and/or dropouts with a lab scope.
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Old 08-25-2010, 04:27 PM
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okay is there a write up thread for the lab scope method?
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  #13  
Old 08-25-2010, 06:36 PM
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There is no method . Lab scope method is using a oscilloscope to test for drop outs of voltage that a regular meter is not capable of doing .
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Old 08-26-2010, 06:06 PM
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An oscilloscope is old school isn't it? Anyways I am betting its either the oxygen sensor or the MAP. Im going to have to spend money to find out .
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Old 08-26-2010, 06:29 PM
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It may be old school , but it's still used in todays world .
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Old 08-26-2010, 07:39 PM
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ha ha okay Thanks guys for all the help i think im going to be screwed either way.
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Old 08-28-2010, 12:36 AM
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it's the tps dad's 04 did the same thing. and you don't have to use the scope. a voltmeter set to mA (milli amps) can test for voltage drops. to do this the ignition has to be on but engine can be off. then test the tps buy doing a series of throttle revs and testing every quarter inch of a movement of the throttle. there will be three wires i believe two are positive and one is ground. you need to test both positives and if there is a drop on one of them then you have a bad TPS. you would do this with many types of components.
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  #18  
Old 08-31-2010, 05:41 PM
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Really? Thanks man! I'll have to check it out!
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Old 09-11-2010, 07:14 PM
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Quote:
Originally Posted by Dennyboy View Post
it's the tps dad's 04 did the same thing. and you don't have to use the scope. a voltmeter set to mA (milli amps) can test for voltage drops. to do this the ignition has to be on but engine can be off. then test the tps buy doing a series of throttle revs and testing every quarter inch of a movement of the throttle. there will be three wires i believe two are positive and one is ground. you need to test both positives and if there is a drop on one of them then you have a bad TPS. you would do this with many types of components.
Hey man i put a new tps in just now and went for a ride on the highway, It worked thanks so much for the suggestion! You have no idea how happy I am lol
you deserve infinite rep points for this! Thanks again
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  #20  
Old 10-01-2010, 02:41 PM
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Quote:
Originally Posted by Sledneck View Post
Hey man i put a new tps in just now and went for a ride on the highway, It worked thanks so much for the suggestion! You have no idea how happy I am lol
you deserve infinite rep points for this! Thanks again
No problem man. Love to help a fellow ram guy out!!
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