Intermittant ignition problem

Asked by Apr 02, 2016 at 11:36 AM about the 2002 Saturn S-Series 4 Dr SL2 Sedan

Question type: Maintenance & Repair

My 02 SL2 with 140,000 on it has an unusual ignition problem.  It jerks violently intermittently and I assume it's ignition related?  Have replaced plugs and the wires, ignition control module, coils, crankshaft position sensor.  The repair shops can't get the car to malfunction for them.  No codes on computer.  Cr cranks and runs perfectly, idling happily for an hour or more, no problems.  Car purchased new and meticulously maintained.  Any suggestions?

4 Answers


When you say it jerks violently what are the exact conditions when this happens is it when you're pressing accelerator or it's at idle or when you're at Full Throttle? Could be your throttle position sensor but we need more information can you elaborate more please.

2 of 2 people found this helpful.

It could also be a fuel delivery could be your fuel filter to not sure?

2 of 2 people found this helpful.

I sold the car to my cousin last week and she knows a good, honest, reasonable mechanic and he discovered a couple things; first the fuel system was "clogged up all the way to the fuel injectors" and "something was going on with the spark plug wires." He cleaned out the fuel system, replaced the fuel filter and plug wires, and she reports that the car is running great now, so far so good. Thanks to all for the suggestions, got us looking in the right place(s).


No problem I'm glad I could help!

Your Answer


Looking for a Used S-Series in your area?

CarGurus has 474 nationwide S-Series listings and the tools to find you a great deal.


Saturn S-Series Experts

  • #1
    Alex Nazarian
  • #2
  • #3
View All

Related Models For Sale

Used Saturn L-Series
280 listings starting at $1,988
Used Honda Civic
391 Great Deals out of 52,297 listings starting at $1,200
Used Saturn ION
798 listings starting at $1,995
Used Saturn VUE
11 Great Deals out of 1,488 listings starting at $2,299
Used Toyota Corolla
703 Great Deals out of 67,254 listings starting at $1,599
Used Ford Focus
400 Great Deals out of 70,443 listings starting at $999
Used Chevrolet Cavalier
634 listings starting at $999
Used Volkswagen Jetta
430 Great Deals out of 28,437 listings starting at $1,900
Used Toyota Camry
853 Great Deals out of 72,897 listings starting at $1,400
Used Hyundai Sonata
383 Great Deals out of 50,845 listings starting at $1,300
Used Ford Mustang
294 Great Deals out of 38,678 listings starting at $1,995
Used Chevrolet Malibu
635 Great Deals out of 48,775 listings starting at $1,500
Used Toyota Yaris
37 Great Deals out of 2,531 listings starting at $1,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.