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1997 Chevrolet K1500 - Page 9 Questions & Answers
What should the fuel pressure be for 1997 k1500
should be 52psi to 58 psi on good fule pump with low or no leak down after it is shut off for ten min. on more then 2 to 3 psi after shut down, if so check presser reglator, and fule pump feather out.
Truck surges (Vibrates hard) under load when warm.
I would start by changing the trans filter and fluid, and go from there . it could be your overdrive acting up try to drive it in 3 and see if it happens, how many miles are on it ? and sometimes you can lightly apply brake and get o.d. to kick out not sure on yours if that works or not, because if you can get it to kick out then you can diagnoise if it is the culprit ! sounds like it though, at Car Quest Auto they sell additive that is supposed to take care of shuddering in o.d. but can't remember the name of it ...sorry
1997 Chevy 1500 P/U 4x4 small V8. Transmission shifting issue.
you may be confusing the torque converter clutch engagement with o.d. this trans has a problem with the T.C.C. regulator valve wearing out the valve body bore. this will cause the converter clutch to engage only sometimes or not at all. this will set a P1870 code in the control module. when this code is stored in the controller, ( check engine light may or may not be on), it increases the pressure in the transmission causing the 1-2 shift to be harsh. ask a local tranny shop to scan the vehicle ( most will do this for free) if this is the problem they can either fix your valve body (sonnax parts) or replace it with an upgraded valve body. hope this helps
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