Quote:
Originally Posted by Chase3203
New description:
My car recently died and after having it towed to a mechanic shop, I found out that they had to replace the fuel pump. After receiving the car back, I have noticed that my car is a little sluggish at times, especially when the A/C is on.
The car will run really sluggish on acceleration, almost as if there is a major drop in power to the engine. It always spurts/jerks moderately around 2.5k-3k RPM. It also makes the knock around 3k+ and when I give it lots of gas, the car jerks more.
I have also noticed when I shift it into 5th gear (final gear) on the highway, the car won't want to accelerate much over 70mph and the RPM usually hangs around 1.5-2k.
I'm not sure if this is a simple spark plug issue or a clutch problem.
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Do you have a autozone or oreilys close by that can read the codes for you for free and post them her, get a read out slip if you can from them.
Just because fuel pump is new does not mean it cannot be faulty??? Double check fuel preesure. What brand of pump installed???
Is the Intake Manifold Runner Control working, clips on rods ok???