1990 GMC K2500 "engine lacks power passing gear" Questions

...you may want to check the trans. or torque converter. sudden pop with engine rpm increase and lack of power sounds like possible band breakage in transmission or impellor breakage in torque

...power when driving on highway, when passing gear come on, engine missing a lot. when i stop and look under car exaust is red around catalitic converter. check engine light does`nt come on. is it ...

...engine underperforming. The EGR replacement helped but, I am still having difficulty getting power at the top end of 2nd Gear, Climbing hills, and when needing to pass while at highway speed. There ...

...stearing was fine. The trans mission was sluggish like it would not start in 1st gear, or the engine lacked power. Checked all the fuses, OK What's wrong? check the power wire at the starter ...

...power up hill I am assuming you have the 2.3 liter 4cylinder engine.. This is common in all rangers straight out of the factory with that motor. Your asking alot out of a 4 cylinder truck that also ...

...lacks the power to go. I was tlod that the catalytic converter was probably getting plugged, thus bogging it down. Had it replaced, wasn't the solution. Then next I changed the fuel filter, and the ...

...engine power lacks in any gear, that is the engine. weak. this post is about the engine power, (my answer) will you change 100 more parts guessing? why do that?, any shop can diagnose it for a ...

lacks power. I've change fuel filter done complete tune up and ran some seafoam through before my etest. I'm just looking for more ideas to check to solve the lean problem. All o2's seem to read lean.

...power delivered by the high engine speed. The vacuum line conveys to the transmission the level of vacuum in the inlet plenum manifold. When you accelerate slowly the throttle plates only opens a ...

...power take-off (PTO) switch should be disengaged when shifting gears. A malfunctioning PTO switch could be causing the engine to shut down. Check the PTO switch for proper operation. Examine Safety ...