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Search: Posts Made By: 1996SL11.9L
Forum: S-Series Tech 01-10-2021, 05:13 AM
Replies: 23
Views: 628
Posted By 1996SL11.9L
Re: pulley noise, maybe

On both saturns I had the Alt was the source of the bad bearing sound. Both had around 150k miles when the noise started.

On my 2002 when I replaced the Alt I checked everything with the belt off...
Forum: S-Series Tech 11-17-2020, 07:34 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

This makes me sad. I talked to him a few times.
Forum: S-Series General 11-17-2020, 07:08 PM
Replies: 81
Views: 4,562
Posted By 1996SL11.9L
Re: RIP Oldnuc

This makes me sad.

I wonder what happens to his projects and old dozers. (I think he had a few)
Forum: S-Series Tech 11-17-2020, 12:03 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

OldNuc had a friend that put DOHC injectors in a SOHC and the pcm adjusted the fuel flow to compensate for the bigger injectors.

I donít know if heís around anymore to chime in.
Forum: S-Series Tech 11-16-2020, 04:18 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I thought you had an injector or two sticking open because you were blowing over 1v on your O2 sensor at WOT. Thatís way rich considering .92v is 12.7af.

I think you found your problem. Over...
Forum: S-Series Tech 11-13-2020, 05:23 AM
Replies: 11
Views: 529
Posted By 1996SL11.9L
Re: Cleaning Heater Core of debris...Holy Cow Batman!!!

Added to my list also. It barely blows on low.

Good call OP
Forum: S-Series Tech 11-13-2020, 05:15 AM
Replies: 12
Views: 382
Posted By 1996SL11.9L
Re: which wheel bearing/hub assembly brand to order

My front timkins were made in China. But still going strong. Over 40k on them now.
Forum: S-Series Tech 11-09-2020, 12:48 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I did the flush with carb cleaner so the reverse flush would have pushed out any dirt.

Getting the syringe to seal on the injector is the hard part.
Forum: S-Series Tech 11-08-2020, 12:23 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I half remember rebuilding a spare set and installing them when I put the modified head on.

Look in my 1996 repair thread. I forget what I used. But I used the home cleaning method with a 9v...
Forum: S-Series Tech 11-07-2020, 10:11 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I rebuilt the injectors on my 4Runner.
Forum: S-Series Tech 11-03-2020, 05:59 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Both cars ran better fixing the leaks near the front O2 sensor. Reversion sucks fresh air in and causes the O2 sensor to get false readings.
Forum: S-Series Tech 11-03-2020, 04:00 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

On both my 96 and 02 when I bought them each with 140,000 miles they both rusted through the exhaust support under the engine.

On my 02 two of the three bolts on the flange at the CAT rusted off....
Forum: S-Series Tech 11-03-2020, 01:09 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Is your exhaust leaking anywhere?

They like leaking at the strap under the oil pan and at the 3 bolt flange.

Any exhaust leak will mess with the front O2 sensor readings.
Forum: S-Series Tech 11-03-2020, 04:59 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Forum: S-Series Tech 11-02-2020, 05:18 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Donít worry too much about the STFT. Itís basically the right of the decimal point. Everytime the STFT maxes out at -30 or 30 it adds or subtracts a 1 to the LTFT and re-zeros itself.

Does your...
Forum: S-Series Tech 11-01-2020, 12:11 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I donít see -17 at idle but I do see -14 to -16.
Forum: S-Series Tech 10-31-2020, 08:42 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

In the early 90ís this was the only affordable AF sensor. Iíve tuned many engines with a narrow band sensor. When the pcm goes open loop at WOT it tries to keep the AF around 12:1.

Looking at...
Forum: S-Series Tech 10-31-2020, 10:01 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

At WOT your O2 voltage should be above .90v

At 50mph going WOT I have a steady .94v

If itís lower than .9 in my opinion you have a fuel flow problem.

My LTFT is -10 to -3 but generally -10...
Forum: S-Series Tech 10-25-2020, 07:15 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

I just looked on their site and seen what you mentioned. I thought I got my LTFT and O2 PIDs from the XGauge page I guess not.

I don't remember where I got them and I do not think O2 and LTFT are...
Forum: S-Series Tech 10-21-2020, 09:38 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

It should be on the same page you found the knock retard. Put the LTFT for bank 1 in also.
Forum: S-Series Tech 10-20-2020, 06:58 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Program the front O2 sensor into your scangauge and report what the voltage is at wide open throttle. Thatís why I had the O2 sensor as one of the parameters.
Forum: S-Series Tech 10-20-2020, 11:50 AM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

When I put the replacement head on my 96 at 180,000 my timing chain was shot.
Forum: S-Series Tech 10-19-2020, 08:04 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Go to a GM dealer and buy a spray can of upper engine cleaner and spray it into your cylinders and let it sit over night. Then turn the engine over to blow the stuff out of the cylinders and install...
Forum: S-Series Tech 10-19-2020, 07:40 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Unplug your IAC at idle and see what happens.

My 96 was a mess with carbon buildup and knock sensing problems from all the oil it burned.

I switched to sonocco gas because it mentions carbon...
Forum: S-Series Tech 10-19-2020, 01:36 PM
Replies: 261
Views: 5,790
Posted By 1996SL11.9L
Re: Surging and very high compression

Yes i me positive in that situation. But, Iíve seen negative numbers as well. I think I even questioned OldNuc about it years ago with my 96 that had major carbon buildup on my pistons. Iíve seen...
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