misfire

Hello all, This is my first post and I look forward to seeing what everyone has to say. BLUF: 2003 Suburban 5.3L Flex has Cylinder No. 6 Misfire. Check engine light is off until accelerating and then the check engine light blinks. Check engine lights turn off when slowing down. Background...

Hello, I’m new to the forum. I have a 2017 GMC Sierra 5.3 with 53k miles. I have a sporadic engine miss. I’ve had the fuel induction service and I’ve had all 8 fuel injectors replaced. However the miss continues periodically. I can drive it for 20 - 30 minutes without any issues, then out...

ok folks Ive done a lot of research , along with parts swapping & dealership bs without any luck so now im hear. I have a 2011 Silverado 4x4 1500 ltz 5.3l flex fuel with 150k on clock about 2 weeks ago after getting fuel it started having a random misfire between 18-2100 rpms. ran some seafoam...

1989 Cavalier Z24, 2.8L V6. Car started up fine, idles smooth, but once I hit the road and get up to about 25mph, the car jerks and wont accelerate, engine stays running but wont accelerate. As if I let off the gas pedal, but i can still hear throttle body sucking up air, so I know the throttle...