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Re: OBD Code Definitions 1993 Trans Sport
The purge valve readings are on the previous page. Please be sure to see them. Thanks
As for the temp sending units (CTSs):
*The one with the single contact (I think it controls the gauge) is 2810 ohms at 68F. The chart says they should be 3400 ohms at 70F.
*The double contact unit (I think might work with the ECM in controling the purge valve activation) reads 3040 ohms at 68F.
Both readings are somewhat low but considering a 10% +/- tolerance (brings it to 3060 ohms at 70F) are they good enough?
Is checking it at 70F good enough or do I need to check them at operating temperatures of 190, 200 etc.?
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1923 Model T 'Stake' Truck, see in Legends of the Fall
1949 Chevy 3/4 Ton, had 214 ci now 235ci
1959 Dodge Mayfair
1986 Ford Ranger 4 cyl
1993 Pontiac TransSport 3.8
1996 Chevy 3/4 Ton 4x4
1999 Oldsmobile Alero
2004 BMW 330i
Last edited by tinkering; 03-01-2019 at 01:16 PM.
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