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Intermittion misfire

Tiny
WILLIAMDAISE
  • MEMBER
  • 2000 SATURN SL1
  • 1.9L
  • 4 CYL
  • MANUAL
  • 200,000 MILES
Had code 341 camshaft sensor car does thank you have any new wires new coils didn't change module 20 yrs old seem to have good spark a slight miss out the exhaust took a comp test dry 1 was 115 2 was120 3 was 115 4was 140.
Thursday, April 29th, 2021 AT 12:13 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi,

Is that the only code that was present? The compression is within the manufacturer's specs. They indicate the lowest and highest shouldn't be more than 25% different, which places you in the okay range.

The code indicates the cam sensor is indicating too many pulses. So, if that is the only code you have, take a look at the attachments below. They include the diagnostics specific to your vehicle and this code.

Let me know if this is something you feel comfortable doing.

Let me know.

Joe
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Friday, April 30th, 2021 AT 8:42 PM
Tiny
WILLIAMDAISE
  • MEMBER
  • 25 POSTS
  • 2000 SATURN SL1
  • 1.9L
  • 4 CYL
  • MANUAL
  • 200,000 MILES
Put new coils new wires had a code 341 camshaft sensor. But does not have one didn't change control module is 20 years old has good vacuum but has slight miss out exhaust. Fuel trims are good. Did a com test number 1 cylinder was 115 2 was120 3 was115 4 was 140 don't know if that would cause that. Seems to have good spark.
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Saturday, May 1st, 2021 AT 8:27 AM (Merged)

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