Power loss

Larry George

Asked by Apr 28, 2016 at 01:56 AM about the 1999 Chevrolet Suburban C1500 LT

Question type: Maintenance & Repair

Looses power on hills then recovers slowly. My check valve hose is leaking could
that have something to do with it check engine light on . changed maf, plugs
wires,cap, rotor fuel pump and filter new battery ,new air filter I don't get it please
help,tired and frustrated

4 Answers


im having the same problem on my 67 mustang let me know if you find anything. i was told it could be transmission related but my lower gears run fine.

Bob Beaman

On the Suburban, have the engine light trouble code read by a local parts store and post the code(s) here on the forum.


Check for vacuume leaks. Same problem fixed my 89 Yota.


Go to your local parts store an ask them to hook up a computer an write all the Codes down they tell you. This will shoot you in the right direction! Good luck

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