I have a 98 Saturn SC1

Tiny
LALFAN
  • MEMBER
  • 1998 SATURN SC1
  • 139,000 MILES
I have a 98 saturn sc1. Code po 341 keeps coming up. Before it had a code for evap system to. Think it was po440 or 441. Why does it get the 341. Dont have a cam sensor, do they. It does have 7 misfires on 2 and 10 on 3. Running 14.7 ratio. Checked for vac. Leaks and changed pcv valve. Have a 00 ls1 that gets a code for evap sometimes then goes back off. Found a clip for the plastic tubing running from back to front that was bad on it.
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Saturday, March 30th, 2013 AT 7:59 PM

9 Replies

Tiny
SATURNTECH9
  • EXPERT
It usually sets that code from black carbon build up on the spark plugs and in the boots where they go onto the plugs. There is no cam sensor.
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Sunday, March 31st, 2013 AT 7:00 AM
Tiny
LALFAN
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I did not put in new plugs or wires when I bought this one. Thought everything looked good. Maybe should put in new and that might help the few miss fires that I had. Last time I was talking about a sl2 and u suggested a certain plug? How about wires to. Is there a certain kind u prefer. Thanks
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Sunday, March 31st, 2013 AT 1:36 PM
Tiny
SATURNTECH9
  • EXPERT
Yeah I would use NGK copper plugs no platnuim ones. For wires I would use some Nippon denso or some Bosch ones. That's where I would start plugs and wires that's the number one fix for that code.
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Sunday, March 31st, 2013 AT 2:22 PM
Tiny
LALFAN
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What all sets off the codes for the evap system. Carbon canister, pcv, vac. Leaks, vent for gas tank, tubing from front to back. Thanks. Happy easter
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Sunday, March 31st, 2013 AT 5:25 PM
Tiny
SATURNTECH9
  • EXPERT
I would inspect the gas cap seal for cracking also make sure both vacuum lines are on the canister purge solenoid. That's where I would start on that code.
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Sunday, March 31st, 2013 AT 7:02 PM
Tiny
LALFAN
  • MEMBER
And im guessing thats above the corner of the gas tank. When it first came on I changed pcv n it went out. After a while it came back on. I took the one from my 97 n tried it n thats when I just had the code for cam sensor. I had to change the preformed hose n just used regular gas hose. Thats why I tried the one from the 97. Hard to make those short bends n didnt no if it was sealling up ok. Thanks
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Sunday, March 31st, 2013 AT 9:00 PM
Tiny
SATURNTECH9
  • EXPERT
The one by the tank is the vent valve the canister purge solenoid is under the intake manifold.
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Sunday, March 31st, 2013 AT 9:02 PM
Tiny
LALFAN
  • MEMBER
Ok thanks. Cheap books dont give much info. Ready to start driving it. Good on gas. Thanks
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Sunday, March 31st, 2013 AT 10:34 PM
Tiny
SATURNTECH9
  • EXPERT
Your welcome anytime.
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Sunday, March 31st, 2013 AT 10:38 PM

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