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| Buick Roadmaster General and Technical discussion for the Buick Roadmaster (1991-1996) and the Oldsmobile Custom Cruiser (1991-1992), who shares the B-Body platform with the Chevy Impala. |
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05-06-2009, 06:19 PM
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#1 (permalink) |
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Senior Member
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Random Stall
Car- 1996 Rodemaster
Mileage 160k Maintenance – Unknown / with the exception to new hoses, water pump, belt. {resent purchase} Problem- Car dies without warning, just completely shuts off. Wait a few minutes {1-20} and it starts right back up. No CEL or obvious problems when driving, No visible problems under the hood. Idle is smooth and the car has been running flawlessly since I bought it a few weeks ago. I’m thinking fuel pump, but I’ve never had an Opti just crap out on me either. I’ve asked about a fuel pressure gauge at AutoZone and O’rilleys nearby, none in stock. All this pisses me off because I have all the tools and spare parts to fix ANYTHING on this bucket at my home, 650 miles away  But I’m not, so repairs will have to be made in a Hotel parking lot; they’re not going to be happy about this.So place you’re bet, what’s your best guess?
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05-07-2009, 04:02 PM
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#2 (permalink) | |
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Colorado INC President
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Quote:
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ALL RWD! 1991 CAPRICE CLASSIC ALL STOCK 5.7L 350 TBI (NOT LT1) CUSTOM 20'S HAD 220000 + MILES SOLD IT AND HATE MYSELF 4 IT LOL  1995 CAPRICE 9C1 W 350 LT1 240000 + DAILY DRIVER STOCK WHITE UNDERCOVER 7 INCH TOUCHSCREEN 2 15'S CVR&CVX  4/20/09 muff deleteCHROME 17 INCH WIRES PROUD OWNER OF ALL ORIGINAL 1965 OLDSMOBILE STARFIRE !! W STOCK 425 BIG BLOCK 375+- HORSES MY LT1 EATER ONLY ONE ON CARDOMAIN!! http://www.cardomain.com/ride/2417157 |
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05-07-2009, 07:21 PM
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#3 (permalink) |
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Senior Member
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Thanks for the help guys, looks like I’ll be taking my work truck home so I’ll be sure and pack an Ignition Module, it’s also been suggested I try the MAF. I did clean the MAF, it was dirty as hell but no luck. But I’ll bring another one back with me anyway just in case.
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05-07-2009, 07:31 PM
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#4 (permalink) |
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Colorado INC President
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a fuel pumps 65 dollars and takes like an hour if u have tools and arent an idiot
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ALL RWD! 1991 CAPRICE CLASSIC ALL STOCK 5.7L 350 TBI (NOT LT1) CUSTOM 20'S HAD 220000 + MILES SOLD IT AND HATE MYSELF 4 IT LOL 1995 CAPRICE 9C1 W 350 LT1 240000 + DAILY DRIVER STOCK WHITE UNDERCOVER 7 INCH TOUCHSCREEN 2 15'S CVR&CVX 4/20/09 muff deleteCHROME 17 INCH WIRES PROUD OWNER OF ALL ORIGINAL 1965 OLDSMOBILE STARFIRE !! W STOCK 425 BIG BLOCK 375+- HORSES MY LT1 EATER ONLY ONE ON CARDOMAIN!! http://www.cardomain.com/ride/2417157 |
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05-26-2009, 08:47 PM
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#5 (permalink) |
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Senior Member
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Update:
Checked fuel pressure it seems to be fine, not an idiot but thanks poptart  To date I’ve replaced the coil and the ICM no luck same condition as posted above, previous owner insists the opti is new GM opti, and I have no reason to not to believe him. So, I have a new coil new ICM and a good opti, but I still have the same random stalling condition, any other ideas? I’m borderline ready to install a new opti just to make sure for my damn myself, but I would like to eliminate other suspects first first.
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Last edited by 96ssbbb : 05-26-2009 at 08:51 PM. |
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05-27-2009, 12:25 AM
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#6 (permalink) |
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Senior Member
Join Date: Mar 2008
Location: Phoenix
Posts: 551
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Mmmmmm opti vent harness clogged, ozone buildup after running, car stalls. Just a guess. Remember...NEW doesn't always = GOOD.
Hey , That's a new (& cheap) opti. How do you know the fuel pressure is good? Did you put a gauge on it? I picked up a pressure test kit at Harbor Freight for $35, I couldn't get one at AZ or Checker without ordering it either.
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05-27-2009, 05:36 AM
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#7 (permalink) |
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Senior Member
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Well I haven’t ever had one clog up so I don’t know the affects of a clogged opti harness, but I have a known good spare so I'll give it a try.
When I went home to Florida I brought back my fuel pressure gauge and a ton of spare parts.
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05-27-2009, 08:34 AM
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#8 (permalink) |
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Colorado INC President
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[quote=96ssbbb;266987]Update:
Checked fuel pressure it seems to be fine, not an idiot but thanks poptart QUOTE] I wasnt saying ur an idiot its jsut that some people wont do there own mechanic works specially on something as easy as a 30 min fuel pump job!!!!!
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ALL RWD! 1991 CAPRICE CLASSIC ALL STOCK 5.7L 350 TBI (NOT LT1) CUSTOM 20'S HAD 220000 + MILES SOLD IT AND HATE MYSELF 4 IT LOL 1995 CAPRICE 9C1 W 350 LT1 240000 + DAILY DRIVER STOCK WHITE UNDERCOVER 7 INCH TOUCHSCREEN 2 15'S CVR&CVX 4/20/09 muff deleteCHROME 17 INCH WIRES PROUD OWNER OF ALL ORIGINAL 1965 OLDSMOBILE STARFIRE !! W STOCK 425 BIG BLOCK 375+- HORSES MY LT1 EATER ONLY ONE ON CARDOMAIN!! http://www.cardomain.com/ride/2417157 |
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