Re: O2 sensor damage?
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: O2 sensor damage?



I haven't used any gasket sealant due to fear of contamination. I 
have used NAPA silicone spray lube on the car at various times. I 
don't recall ever directly injecting it into the engine but over 7-9 
months, who knows?

I am using Mike Cohee's analog dwell meter. I will refer to the 
manual section you've called out.

I was unable to perform any tests or repairs because we got hit with 
an unreal storm just as I pulled up in front of my house. Every tree 
in the median outside my development was torn down before my eyes 
blocking the road. Not saplings either. I then looked at the tree 
next to my car, and relocated the car to the middle of the parking 
area just in case.

I think little silver cars are good luck or something.


Rich
#5335 -Md

--- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@xxxx> 
wrote:
> Usually an O2 sensor is not damaged from an overly rich mixture. 
When
> you finally lean it out it will come back to life. You CAN damage it
> by contamination. If you do not use "sensor safe" silicone gasket
> sealer you will not only ruin the O2 sensor currently installed but
> any replacements you install! There are tests of the Lambda system 
you
> can do to make sure the rest of the system is functional. Refer to
> D:04:15 # 5 A.-E. There have also been cases (not on Deloreans) of
> using silicone cleaners on the motor and when the motor was running 
it
> was ingested and contaminated the O2 sensor. If you are using a
> digital dwell meter to check the Lambda don't trust it. Most can't
> read it right. You really need an old analog type with a needle to 
get
> the readings you want. Remember we are dealing with 80's technology 
so
> you have to try to use the test instuments that the people had
> available then.
> David Teitelbaum
> vin 10757
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote:
> > Can you ruin an O2 sensor with a super-over rich condition or 
with 
> > excessive heat, say from a glowing cat?
> > 
> > The dwell meter on my car says the lambda computer and hence the 
freq 
> > valve are not operating properly.
> > 
> > Since I've been told by multiple sources that the ECU almost -
never- 
> > dies, the O2 sensor is the most logical next item. The problem 
is, 
> > mine's nearly new. I did have it installed way back when my fuel 
> > system was totally hosed. I got the cat converter to glow cherry 
red 
> > a few times.
> > 
> > Thanks,
> > 
> > Rich






Home Back to the Home of PROJECT VIXEN 


Copyright ProjectVixen.com. All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive

This site contains affiliate links for which we may be compensated