What causes a car jerks with acceleration?

Tiny
HEATHERFRANKLINMORGAN
  • 2004 NISSAN ALTIMA
  • 120,000 MILES

2004 nissan altima 2.5L jerks with acceleration, then runs fine for a few seconds then jerks with acceleration. Idles fine until you give it gas car will then rev up for a few seconds then idle fine then ev again, no check engine light. It all started when I stopped on the highway in traffic. Went to give it gas and started jerking. Any idea's?

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Tuesday, August 21st, 2012 AT 2:02 AM

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Tiny
SATURNTECH9
  • EXPERT
  • 31,190 POSTS

Spark plugs plug wires coils etc is what I would start with checking.

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Tuesday, August 21st, 2012 AT 2:10 AM
Tiny
HEATHERFRANKLINMORGAN
  • MEMBER

But wouldn't you get a code froma misfire?

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Tuesday, August 21st, 2012 AT 2:32 AM
Tiny
SATURNTECH9
  • EXPERT
  • 31,190 POSTS

Not always I have had plenty of times where there was never a codes set.

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Tuesday, August 21st, 2012 AT 2:35 AM
Tiny
HEATHERFRANKLINMORGAN
  • MEMBER

There are no plug wires there are only individual coil packs. The car idles perfect until you press the gas

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Tuesday, August 21st, 2012 AT 2:36 AM
Tiny
SATURNTECH9
  • EXPERT
  • 31,190 POSTS

There is still a short boot/spark plug wire that connects the plug to the coil they do go bad sometimes as well. Do a fuel pressure test a back pressure test on the exhaust wouldn't hurt ethier.

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Tuesday, August 21st, 2012 AT 3:05 AM

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