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Thread: 89 200 xri
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09-13-2018, 10:56 PM #1New Member
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89 200 xri
The voltage on my tps checks backwards.7.46 volts at idle and 2.40 volts at wide open throttle. Any ideas greatly appreciated.
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09-14-2018, 02:54 PM #2
Are you using the Merc tool?
Dave1980 Cougar 19 tunnel,90 2.4L Bridgeport EFI in middle of restoration.
1988 BAJA Sunsport 186, 96 225 Pro Max
79 12' Auminum, 95 Merc 9.9
RIP Stu
"So many idiots, so few bullets"
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09-14-2018, 04:13 PM #3New Member
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No.Just using a multimeter and probing the blue and orange wires.
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09-14-2018, 07:02 PM #46000 RPM
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IDLE voltage should be .135-.150 7.46 wot disconnect temp sender on port head 2 brn leads turn unit all the way clockwise then back slowly. just did mine 2 days ago
Last edited by KIRCHNER; 09-14-2018 at 07:06 PM.
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09-14-2018, 07:19 PM #5New Member
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Temp sensor has been unhooked and it checks 7.46 at idle no matter where you set the tps. It only changes when you move towards wide open throttle then it drops to what it should be at idle.
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09-18-2018, 05:53 PM #6
I'd say you have the wrong wires probed, I've seen a manual that said to probe the wrong colours...try different combinations, I forget which but you'll work it out after a few attempts
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09-18-2018, 06:48 PM #7
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09-18-2018, 07:01 PM #8
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09-18-2018, 08:50 PM #9
Made three little brass pins. Works great.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"