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How do you say goodbye? - S70, not passing NYS emissions...P0444 P0133 Sporadic

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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wheelsup
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Re: How do you say goodbye? - S70, not passing NYS emissions...

Post by wheelsup »

From briefly reading the thread your problem is with the CEL monitors

If that is the case, my state has a work around where you can take it to the main inspection place in the city. A government employed inspector will come out and look at the car, and see you've driven XXX miles and sign it off for that year, if that is the only thing holding you up. I know because I had to do this on a V70 I briefly owned.

Not saying NY has something similar, but it might be worth looking into.
1995 850 GLT Wagon w/ 200,000 miles

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theWIFES_S70
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Post by theWIFES_S70 »

Hi everyone, have driven only 25 miles since I tried the Diode trick. No check engine lights. But monitors still not ready.

A few questions, can't seem to find these anymore...

When you solder in the diode:
- is EGR supposed to be "automatically" ready?
- how fast would one get a check engine light after doing the delete? (how do I know it's working?)

Semester is starting soon so and I need to swap struts and replace engine mounts in the S40... not sure I have much more time to devote to these machine.(God this clutch is so much more fun...)
Retired:
1998 Volvo S70, N/A, 5-speed, 187K
2007 Volvo S40, 2.4i, 5-speed, 121K
2015 Volvo S60, T5, 85K

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abscate
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Post by abscate »

The SAS delete code will come the next start after the code is set,so two start cycles. It’s looking for very lean Oxygen leveksin the oxygen sensor ( OXS) during cold start indicating excess air is getting pumped in by the pump. The diode is lowering the OXS voltage , we are lucky the system doesn’t check that the level ones back up after it turns the pump off.

Your EGR will take a long time to go ready because you don’t have one

😀

Post up your monitor list and status!
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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theWIFES_S70
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Post by theWIFES_S70 »

Here are my monitors:
Monitors_8-23_a.jpg
Monitors_8-23_a.jpg (44.34 KiB) Viewed 734 times
Monitors_8-23_2.jpg
Monitors_8-23_2.jpg (43.26 KiB) Viewed 734 times
And here's my data... seems like I'm getting no reading from my 02 sensor, bank2:
data8-23_a.jpg
data8-23_a.jpg (40.33 KiB) Viewed 734 times
data8-23_b.jpg
data8-23_b.jpg (36.69 KiB) Viewed 734 times
data8-23_c.jpg
data8-23_c.jpg (44.24 KiB) Viewed 734 times
data8-23_d.jpg
data8-23_d.jpg (39.01 KiB) Viewed 734 times
The fun doesn't stop... :)
Retired:
1998 Volvo S70, N/A, 5-speed, 187K
2007 Volvo S40, 2.4i, 5-speed, 121K
2015 Volvo S60, T5, 85K

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