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Gelbster · 07-22-2017, 02:34 PM

I am as frugal as anyone but ...
To decide on replacing an old sensor - first check the voltage pattern with Durametric or similar. That is more proactive than waiting for a code.
Once you replace the sensors you have eliminated that issue from future problem/code chasing. New sensors may last 10+years of normal driving.
There is the advantage of time saved from "while you are in there and have the tools/time off."
On my 2001 S Bosch sensors are $70 each x 4 .The older 97 .2,5 cars may be cheaper than that and they have only 2. Same reasoning for doing the coils/spark plug tubes also.
Getting a CEL while enjoying a drive is something I'll spend a little to prevent.I agree , it is a hobby not a financially logical issue.Ymev

07-22-2017, 02:34 PM	#16
Gelbster Registered User Join Date: May 2014 Location: S.California Posts: 2,029	I am as frugal as anyone but ... To decide on replacing an old sensor - first check the voltage pattern with Durametric or similar. That is more proactive than waiting for a code. Once you replace the sensors you have eliminated that issue from future problem/code chasing. New sensors may last 10+years of normal driving. There is the advantage of time saved from "while you are in there and have the tools/time off." On my 2001 S Bosch sensors are $70 each x 4 .The older 97 .2,5 cars may be cheaper than that and they have only 2. Same reasoning for doing the coils/spark plug tubes also. Getting a CEL while enjoying a drive is something I'll spend a little to prevent.I agree , it is a hobby not a financially logical issue.Ymev Last edited by Gelbster; 07-22-2017 at 02:41 PM.