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Hi,
My car starts well and idles at 1000 rpm. However it jerks or 'chokes' when I step on accelerator. When I release the pedal, it idles well again without jerking. What is the problem. Help please.
 

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NF Mod/Nissan Master Tech
2006 Pathfinder LE, 2003 Frontier SVE
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9,707 Posts
I don't have a crystal ball, so it's impossible to say exactly what your specific problem is. I'd be inclined to check the throttle position sensor. If you hear a "rattling" noise, especially at start up, you may have slack in the timing chain, which is often caused by a broken timing chain guide. Also, check for play in the rotor shaft and if there's a bolt holding the distributor rotor to the shaft, make sure it hasn't loosened.
 
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