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Discussion Starter · #1 ·
When accelerating (usually in 2nd gear) my jeep lags kind of...it's hard to explain but when I accelerating my it like stops accelerating and freezes at about 2,000 rpms. I have to let off the gas and go again until it starts to accelerate again.
 

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What RPM are you shifting out of first gear?
 

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I got my jeep in August and haven't changed them so whenever the PO changed them last
Alright. How many miles on the Jeep? I would pull and check the plugs and the gaps. When plugs start to go bad, you will sometimes start to feel a lag in the accelerator. Also a drop in fuel economy is also usually a result. It's no gurantee the reason for your problem, but it's a simple task that can either identify or help narrow down probable causes.

Also check your air filter. I don't know when you last cleaned it, but a clogged/dirty filter never helps performance
 

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Discussion Starter · #9 ·
Alright. How many miles on the Jeep? I would pull and check the plugs and the gaps. When plugs start to go bad, you will sometimes start to feel a lag in the accelerator. Also a drop in fuel economy is also usually a result. It's no gurantee the reason for your problem, but it's a simple task that can either identify or help narrow down probable causes.

Also check your air filter. I don't know when you last cleaned it, but a clogged/dirty filter never helps performance
It has 143,000 miles

Come to think of it, my jeep has also been struggling to start
 

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It has 143,000 miles

Come to think of it, my jeep has also been struggling to start
Like what jquinn said, assume the PO didn't do regular maintenance and he was a POS. Pull those plugs and take a good look at them, sometimes all you need to do is just wipe them down a little and viola! But my guess it that they are bad and it might be time to replace.
 
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