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bigdave
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 7:37 pm

Didn't you have a problem with your charcoal canister breaking down? Your p0441 code could be and is most likely related. Recheck the charcoal canister, hoses and purge valve for restrictions.

P0102 is a MAF code. When you were working on your MAF, did you start the car with the MAF unplugged? This would set a P0102 code and would need to be cleared. I never read how you made out with your previous problem chasing a lean condition. Did you clean the MAF or replace it? Update us when you can so we don't suggest things you already did.
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 7:46 pm

Well ok with that being said I have tried to keep the post to one topic under here since this is my original write up..from my understanding it is a lean code but running rich the canister is probably filled back up by now haven't checked yet...but I have all of these parts coming in tomorrow ..I cleared the codes 441 is the problem child
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bigdave
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 7:51 pm

You never replaced your charcoal canister?
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 7:59 pm

No sir .. I have been shot to shit having no days off at work as I am now as we are texting and I have school in the morning but my parts are in the mail box I hope
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bigdave
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 8:17 pm

Johnny, I'm having trouble following where you are in your process of repairs on your Riv'. Maybe I'm missing some of your posts, but I can't find what has been resolved, repaired, replaced, fixed or not fixed.

Why don't we start over and get your car running properly.

P0441- did you have this code before? What did you try to correct it and did it correct it for a while?
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 8:39 pm

Thats what I started with when I went to minieke and he put it on a scanner, so if you start on page one that is where we started from... okay lim I redone my gaskets a week ago and flipped out every vacuum line and rubber boots... next I had my cat removed for this procedure since it to had cracked and rattling... further more I had to replace the honeycomb in the tb since it is a must we have it in...umm lets see vapor canister and maf sensor is on its way had to order those things saved about 100 bucks thanks to amazon...I cleared the codes they came back 171 102 441 cleared it again yesterday 441 keeps showing up ...now im here still with the bad gas mileage its hurting my pockets
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bigdave
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 8:54 pm

Thanks for the update Johnny! Drive your Riv easy for now until you get these problems squared away. Scan your car again tomorrow to see if any other codes come back. Let us know what you find. Don't clear any codes for now. Just drive easy and let the PCM store any codes that it finds. Let us know when you get your charcoal canister installed.
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 9:46 pm

Will do Sir ... ill be sure to update my quest as I go ... I cant wait till I get some suspension work done im so fed up with these 20's exposing them
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joshuadalegrimes
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 11:12 pm

my maf went out recently johny. it would get hot when i drove the car with it plugged in. btw ill be in shreveport week after next. if im off weekends and ya feel like grabbin me ill help ya work on er. im in hattiesburg, ms right now
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyTue Oct 29, 2013 11:21 pm

I'm booked at work for the next 14 days off my life...
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 12:31 am

bigdave wrote:
Thanks for the update Johnny! Drive your Riv easy for now until you get these problems squared away. Scan your car again tomorrow to see if any other codes come back. Let us know what you find. Don't clear any codes for now. Just drive easy and let the PCM store any codes that it finds. Let us know when you get your charcoal canister installed.



Riviera from hell - Page 3 20131029_232857_zps28802d1f readings after the honeycomb
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 8:56 am

Your LTFT will drop after awhile. If the STFT stays low, LTFT will follow. It takes a few days, even a week for the LTFT to stabilize. LTFT is what the car has learned it has needed over time. STFT is "right now".
The only other way to reset the trims to 0 is if your scanner has the ability to reset the Fuel Trims. IF not, after you install the MAF, disconnect the battery for about an hour. That should reset everything.
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 1:38 pm

They spiked again the stft shot back up to 20%
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deekster_caddy
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 3:26 pm

That all just means it's still running lean. What's your MAF Hz reading in Park at idle? 2000 RPM? can anyone give a comparison? If you are absolutely positive that all of the possible vacuum leaks are licked, it's gotta be the MAF sensor.

If you disconnect the MAF sensor and wait until the idle smooths out, what's the STFT and LTFT like?
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 3:57 pm

His STFT drops to -3 when he unplugs the MAF, and his O2 readings go up like they should. All pointing to the MAF sensor being bad. Scroll back a few pages and he posted the pics of it. Apparently we're awaiting the new MAF in the mail and the results

popcorn 
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joshuadalegrimes
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 4:19 pm

we wont be down till after the 8th lol
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 4:47 pm

I changed the vapor canister and the maf today and my stft fluctuate from 7 to 20 new fuel filter thermostat lim gaskets all new vacuum lines o rings on I was just ad excited now im like what the fuck
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deekster_caddy
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 5:27 pm

Johnny5 wrote:
I changed the vapor canister and the maf today and my stft fluctuate from 7 to 20 new fuel filter thermostat lim gaskets all new vacuum lines o rings on I was just ad excited now im like what the fuck
LTFTs take a long time to settle out. Might be worth disconnecting the battery for 15 minutes and letting the computer reset everything (DTCs, fuel trims). Drive it for a while and see what codes come back.
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyWed Oct 30, 2013 5:38 pm

The stft are going back up again
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 1:16 am

deekster_caddy wrote:

Johnny5 wrote:
I changed the vapor canister and the maf today and my stft fluctuate from 7 to 20 new fuel filter thermostat lim gaskets all new vacuum lines o rings on I was just ad excited now im like what the fuck
LTFTs take a long time to settle out. Might be worth disconnecting the battery for 15 minutes and letting the computer reset everything (DTCs, fuel trims). Drive it for a while and see what codes come back.
This is for you deekster Riviera from hell - Page 3 Th_20131030_233448_zpsa96f6d0e


Riviera from hell - Page 3 Th_20131030_233210_zps2d2ec6b0
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 8:54 am

Hmmmm. Weird. That MAF frequency is still too high for idle. It should be around 1700Hz.
Have you cleared the codes/disconnect the battery yet?

Btw, I love how Deek gets a point for repeating what I've already posted.....
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 11:38 am

Abaddon wrote:
Hmmmm. Weird. That MAF frequency is still too high for idle. It should be around 1700Hz.
Have you cleared the codes/disconnect the battery yet?

Btw, I love how Deek gets a point for repeating what I've already posted.....
lol my bad I didnt mean too do that it happened when I tried to quote him and I was wondering what that meant im sorry B
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 11:40 am

But yeah the stft are spiking back at 20 again meaning im not getting good gas mileage so is it the fuel pump
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 11:41 am

Ha! It's no big deal. I was just sayin. The Deekster deserves every single point he gets wink 

Any updates? Have you reset everything yet? Everything you've done/showed us has pointed to the MAF being skewed.....A bad fuel pump won't cause the MAF to show higher than normal intake readings. There has to be something else, something missing. I would really like to have you disconnect the battery for at least 30 minutes to clear out all the trash that's left from all the messing around. Get a "clean slate" and see what happens.
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AA
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PostSubject: Re: Riviera from hell   Riviera from hell - Page 3 EmptyThu Oct 31, 2013 11:47 am

Should be able to reset fuel trims with the Aeroforce gauge.

_________________
'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
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