sputters and jerks

2001 PONTIAC GRAND AM
105,000 MILES
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MNAGEL002
  • MEMBER
  • 1 POST
check engine error p0420 car sputters and jerks
I removed catalytic converter do you think it is the fuel filter or fuel pump

I think 200 charactors is very very very very very very very very very very very hard

I
May 9, 2013 at 9:31 AM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
I doubt running it without the cat is street legal. If you live in a state that does vehicle inspections, it won't pass. Did you get the code before or after you removed the cat?

How long since a tune-up? Check fuel pressure.
May 9, 2013 at 10:22 AM
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