97 Saturn SL2 P0133 & P0340 error codes

msmelsy · 03-11-2008, 08:11 PM

I would like to thank everyone for their help..

I replaced the 02 sensor (electrical looks fine) and the fuel filter over the weekend..
I also checked the engine coils and grounding(found no problems).

Everything seemed to be running well after the work but today my car acted as if it was going to die at a stop light and it seems to hesitate durring acceleration (an issue that surfaced after repairs)--> The tranny was replaced 10k ago so I'm hoping that this is not the issue!

I haven't checked the PCM yet and I'm thinking the stalling might be caused by it...the problem is is that this malfunction is VERY intermittent: I have taken it in before because of it and the stalling could not be replicated.

Any ideas?

rc1488 · 03-11-2008, 08:27 PM

Have you changed the Engine Coolant Temperature Sensor? If not do it. DIrections can be be found in the how-to library

Also im assuming the codes are no longer present?

03-11-2008, 08:11 PM	#1
msmelsy Junior Member Join Date: Mar 2008 Posts: 13	97 Saturn SL2 P0133 & P0340 error codes I would like to thank everyone for their help.. I replaced the 02 sensor (electrical looks fine) and the fuel filter over the weekend.. I also checked the engine coils and grounding(found no problems). Everything seemed to be running well after the work but today my car acted as if it was going to die at a stop light and it seems to hesitate durring acceleration (an issue that surfaced after repairs)--> The tranny was replaced 10k ago so I'm hoping that this is not the issue! I haven't checked the PCM yet and I'm thinking the stalling might be caused by it...the problem is is that this malfunction is VERY intermittent: I have taken it in before because of it and the stalling could not be replicated. Any ideas?

03-11-2008, 08:27 PM	#2
rc1488 Master Member Join Date: Jun 2007 Location: Carmel, NY Posts: 5,661 rc1488's Photos 1997 SL2 1995 SC2	Re: 97 Saturn SL2 P0133 & P0340 error codes Have you changed the Engine Coolant Temperature Sensor? If not do it. DIrections can be be found in the how-to library Also im assuming the codes are no longer present?

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