Having problems with your 1998 GMC Sierra ?

Could be computer..could be fuel pump?

\015 For some reason my truck just wont get up and go like it once did... i was driving down the highway the other day.. 60mph zone and my truck wouldnt exceed 35... i have tried replacing the fuel filter and mass airflow sensor, and checked the fuel pressure from the pump all the way to the engine... i cant think of anything else except the computer...1998 GMC sierra.. anything at this point would be helpful and greatly appreciatedthanks\015 Posted / edited by AnonymousUser on : 30-11-2020

Answers :

Make sure all of the vaccum lines are in place and none of them is damage or crack also checkout the cowl pack and replace the drivebelt and if you do not have spak plug wires test cowl on each spark plug too and if it be a while since you change you spark plugs check them out too.
Check catalator converter
Repair Help & Product Troubleshooting for 1998 GMC Sierra

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