95 SLE SC wont start @ bonnifest, HELP. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-30-2005, 06:00 PM   #11
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If the vats is our problem. We've determined the pcm is disabling injector pulse and fuel. If the vats is doing this.. how come we are getting the fuel pump to prepressure the system and give us the start up amount of fuel.
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Old 07-30-2005, 06:04 PM   #12
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Let'* try this. When you try to start the engine, leave the key in the run possition after cranking just like you would do if the engine started and everything was fine. Now with the key at run after a start attempt what is the security light doing?

Check the owners manual for sure, it should tell you, but I think that if the light stays on or remains flashing it indicates a VATs problem.
If the light comes on durring bulb chech and then goes out and remains out, that indicates a properly functioning VATs system. Just make sure the light does come on durring bulb check or you may be misled by this check.
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Old 07-30-2005, 06:24 PM   #13
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The problem is..our project is to put a 97 L67 into a 90 Bonne. No light....oh..****..we have no dash. Randy finally decided to test w/a test light at vats..and he found that he never hooked up the ground to the vats module.

So with the vats disabled, we had fuel pressure to start but not maintain idle. Once ground was established...WE ARE UP, RUNNING AND IDLING!!! WOOOO HOOOOO
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Old 07-30-2005, 06:26 PM   #14
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Quote:
Originally Posted by 1fatcat
Let'* try this. When you try to start the engine, leave the key in the run possition after cranking just like you would do if the engine started and everything was fine. Now with the key at run after a start attempt what is the security light doing?

Check the owners manual for sure, it should tell you, but I think that if the light stays on or remains flashing it indicates a VATs problem.
If the light comes on durring bulb chech and then goes out and remains out, that indicates a properly functioning VATs system. Just make sure the light does come on durring bulb check or you may be misled by this check.
Flashing to beat hell in our case after a start attempt.

Anyone know what 16 resistances are for the VATS keys?
Can't find it in tech-info.
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Old 07-30-2005, 06:29 PM   #15
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Oh I forgot to mention that this test should be done while sitting in the car with the doors shut.

The computer always energizes the pump relay for a couple of seconds when the key is in the run position to "ready" the fuel system for a start attempt. It is in the crank position that the computer looks for a valid VATs code. If it sees a valid code it will enable the pump to run, if it does not recieve a valid code it will disable the pump relay.

In your case BillBost37, *edit* I see you got her going.

Also just to clear things up, the fuel prime that occurs in the run possition will not occur again for 7 seconds after the first prime. So if you prime in run and cycle the key to off and try to prime again in run, it will not occur unless the key remains off for at least 7 seconds.
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Old 07-30-2005, 06:34 PM   #16
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Quote:
Originally Posted by LakevilleSSEi
Flashing to beat H*** in our case after a start attempt.

Anyone know what 16 resistances are for the VATS keys?
Can't find it in tech-info.
Not sure. I think it starts at around 1.5 ohms and goes up to around 20? But you can get the value right off your ignition key if you have an ohm meter.
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Old 07-30-2005, 06:39 PM   #17
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Search ACG_SSEi for the author on the vats values...but we are doing it up again for ya

Ok..Note our values could be just a smidge off the actuals..but from the vats resistor packs we read.......
1.855K started the car
11.7K
9.4K
7.44K
6K
4.73K
3.73K
3K
2.35K
1.45K
1.125K
.5K
.68K
11.8K
9.5K
7.45K
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Old 07-31-2005, 11:00 AM   #18
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is the car up and running yet?
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Old 07-31-2005, 08:02 PM   #19
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Yeah I got it fired at about 6:30 7 o'clock...Funny thing is....for some reason I was going for 1.13K......And closest I got was 1.29 something, Jason and Marty said it was gonna be too far off. I clipped it in, no light or nothing showing a problem, fired right up and told him
"Merry Christmas.....Nate needs beer let'* go" lol
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Old 07-31-2005, 09:19 PM   #20
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Made it home about 1 hr ago (5:35PM CST - 6 hrs after we left the Citgo in Rockford). Would have been sooner if I'd known my gas guage was off (it showed I was on the line below the orange warning area, yet when the tank started overflowing I only had 14.1 gallons in). I stopped in Albany (25 miles from Sauk Centre) to fill with gas and found that with 440 miles I had gotten 31.2 MPG'* on my trip home.

MANY, MANY, MANY Thanks go out to everyone who was involved in helping getting me back on the road:

Todd and Intense (for scanning the VAT'* with the Tech II)
Bill Bost
Randman1
Jrs3800
SSEi95 (all 4 of these guys for their searching their 95 FSM'* searching for the cure, and RandMan and Bill Bost also for all their brainstorming and taking time from resurrecting FrankenBonne to call and offer advice, etc...)
Will Wren for his many calls with tips, idea'*
1fatcat for sharing the resistor idea that Will Wren offered soon after (not knowing you had already suggested it) ...besides IT WORKED (I think, because I can disconnect the resistors now and with the wires to the Vat'* chip in the key cut, the car fires right up -yes, very intriguing indeed).
PMom for her advice on jiggling the key and..... -at least we had one thing to smile about throughout this ordeal -thanks Pmom it was dirty, but funny and very welcome.
BonneMeMn for helping both immediately when it happened and when he got back from the track on Saturday

Brian
Jeff
and all the other guys from B-Fest, WCB-Fest, and ECB-Fest (the crew working on FrankenBonne -whoever was all there)

AND LAST, BUT NOT LEAST I OWE A BIG, BIG BIG FAVOR TO NATE, WHO DENIED HIMSELF THE THRILL OF SEEING BADSSEI (even though it *only* ran a mid-11) AND 8-BALL ALONG WITH THE REST OF THE GUYS TEAR UP BYRON, JUST TO BRAINSTORM, TEST, SWAP PARTS FROM HIS 95 SSEI, AND DO MOST OF THE WORK WHILE I SAT AROUND KICKING THE DIRT (and my bumper and tires).
There were so many frustating things, with one thing after another getting our hopes up, just to peeve us further.
Nate, I owe you many, many beers since there were none there while we were working on my car......That was a good 3 case job, with so much frustation.

Thanks again and I am very, very humbled, and appreciative to the whole of BC for being such a great Family, coming together for someone 0-2000 miles away, even though they didn't have to.
I am very proud to be a member of such an elite group (too bad the parts and service guys at the Pontiac Dealer in Rockford and the locksmiths were nothing but ****** to us) as we have here on BC.
I may not have gotten the satisfaction of running a 14 or 15 second 1/4 mile at Byron with my SLE SC, but I have definitely gotten so much more satisfaction (poor word, but I am practically speechless for the services that have been rendered to me) from the members and friends of the members of BC and will not easily forget the integrity of this unique club.
I'll never know how I can repay my debts from just this one incident....I definitely will do everything I can to make sure that I pass this favor on whenever I can.
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