somebody please help!!!!!

Asked by May 16, 2016 at 08:38 PM about the 2003 Chevrolet Silverado 1500 LS Ext Cab Short Bed 4WD

Question type: Maintenance & Repair

tested by chevy teck. all numbers are good but truck is doggy and
sometimes you can see and feel the rpms fluctuate 100-200 rpms. I have
replaced fuel pump and filter plugs and wires map sensor and catalytic
converters i have cleaned mass air flow and throttle body and replaced tps.
truck has 120000 miles and doesn't have the power my 01 does with
2500000. I'm planning on flushing trans and replacing filter and all
solenoids

3 Answers

30

Sounds like maybe intake gasket perrty common

Best Answer Mark helpful
55,445

Do you have a check engine light that is on? How is the fuel mileage? Run a compression test to determine condition of the top end of the engine.

No check engine light and truck starts good idles good and will accelerate with no skipping or stumble just have to push pedal more then you should have to and when holding at certain speed you can see and feel the tach fluxuate up and down by 100-200 rpms and to pass a car or climb a hill you almost have to floor it. Fyi..I appreciate any advice tks!!!

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