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GMC
Jimmy
Engine
Symptoms
Low Power
On take off it cuts out and will not accelerate
2000 GMC JIMMY
178,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
CHRISTINA86
MEMBER
1 POST
FOLLOW
Will not accelerate unless I leave off the gas a little. Also, noticed when I pulled in last night that the headlights would flicker as well.
Aug 3, 2018 at 1:36 AM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
Good morning.
The first thing I would do is check the fuel pressure. Make sure it is within specs.
Check the throttle body plate for any carbon build up as well. that will cause hesitation.
Have you ever had the injectors cleaned?
Roy
https://www.2carpros.com/articles/throttle-actuator-service
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
https://www.2carpros.com/articles/how-to-test-a-fuel-injector
Aug 3, 2018 at 5:24 AM