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If I were you I would get the IPR with the edge filter back in there. If it were the other way around (putting an IPR with an edge filter in a pump that didn't have one) i wouldn't have an issue doing that. Late in 95 they moved the edge filter internally in the pump thus eliminating the need for it on the IPR. Earlier versions, as you know, the edge filter is on the IPR....nothing else internally. So the way you have it now, you don't have any sort of edge filter at all. Is you problem related to this? maybe...maybe not. As for the test and fooling the computer I believe you need a 200 ohm resistor on the signal return wire (normally center terminal on the connector). I took my truck for a 1/2 hour drive on the highway, got it up to 88 degrees and performed the test right away, you have to be quick because the temp drops like a rocket at idle. Good Luck.
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1986 F-250 Supercab 2wd 6.9l T-19B 4 speed 200,000 kms (125000 miles) College teacher dropped it off at my house to have for FREE !
1990 F-350 XLT Lariat CC 4x4 SRW 7.3l, E4OD (Now ZF5 with Luk SMF), 3.55, 281000 kms (175000 miles) Paid $1300 01/05
1995 F-250 XL Supercab 4x4 7.3PSD ZF5 (Luk clutch/SMF) 3.55 265000 kms (164000 miles) Paid $6200 10/08
2005 E-150 XL 4.6l V8 60000 kms (37000 miles) Paid $15000 09/07
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