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E4od pressure

Old Nov 7, 2021 | 05:57 PM
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E4od pressure

91 e4od, did pressure test at the port once at operating temp and in all selections park through 1st it read in between 80-90psi. Is that normal, I thought there would be more variety to that
also tc isn’t locking up
 
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Old Nov 7, 2021 | 07:43 PM
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Park, neutral, drive, and 2 should be between 50 and 65 PSI at idle. At stall, drive and 2 should be between 165 and 185 PSI.
Reverse and 1 should be 70-100 PSI. At stall, reverse should be 245-290 PSI. 1 should be 175-210 PSI at stall.

Stall is when the trans is in gear, your left foot HARD on the brake, and your right foot planting the go pedal on the floor. CAUTION: DO NOT HOLD STALL FOR MORE THAN 5 (FIVE) SECONDS AT A TIME!! IDLE OR FAST IDLE FOR AT LEAST 30 SECONDS BETWEEN STALL TESTS.
 
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Old Nov 8, 2021 | 09:18 AM
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Have you checked for codes, even if CEL isn't on, could have stored codes.
 
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Old Nov 8, 2021 | 12:18 PM
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Yes have egr code and 628 excessive tc clutch shipping.

what would cause my pressures to be steady at around 90 psi at idle,
 
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Old Nov 8, 2021 | 01:41 PM
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The converter has been replaced, according to his other thread.
 
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Old Nov 8, 2021 | 04:28 PM
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Also have codes 332 617 628. Just re checked

 
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