87 SILVERADO 350 tbi

WHILE DRIVING, IT LACKS POWER AND I CAN'T STEP ON THE GAS TOO MUCH OR IT WILL BACKFIRE AND DIES,WHILE IT IS IN PARK I KEPT IT FLOORED AND IT BACKFIRES.I DON'T KNOW IF IT'S EMISSIONS OR SPARK PLUGS. SOME SUGGESTIONS WOULD HELP. THANKS MUDBOGGER

Reply to
mudbogger
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  1. Last tune up?

  1. Check the timing?

  2. Check the fuel pressure?

Doc

Reply to
"Doc"

Also check the in fuel filter and/or carb fuel filter

Reply to
daytona

It says right in the post it's TBI, and the fuel pressure test will identify the fuel filter as a possible problem if the pressure is low.

Doc

Reply to
"Doc"

You may have an injector that's dying.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% There are two classes of pedestrians in these days of reckless motor traffic - the quick and the dead. ~ Lord Dewar 1933 ~

Climbing into a hot car is like buckling on a pistol. It is the great equalizer. ~ Henry G. Felsen 1964 ~

Reply to
Rich B

Check your CapsLock, it seems to be stuck.

mudbogger wrote:

Reply to
KENG

lol @ caps lock.

I had the same problem and it turned out to be my fuel filter.

Reply to
Cheryl and Rob

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