Oil pressure normal????
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Amandadray
22h ago
Hello there! I'm trying my best to diagnose issues with my Yukon in taking the family on a long trip and would like it to run smoothly! now the question that I've always wondered. The oil pressure! It'* 40 at 2000 and 20 at an idle. Is this normal? I'm running on 1000 since last oil change. and yes I know the interior needs cleaned ..read more
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P0306 misfire
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Holmes74
1d ago
I recently rebuilt my 1996 GMC K1500 5.0. Everything is new electrically except the PCM. Distributor, cap, rotor, camshaft sensor, ICM, spark plugs, wires, solenoid, spider injector assembly. Crank shaft sensor, knock sensor, ignition harness, all O2 sensors. I replaced rod and main bearings all seals and gaskets. I did a compression test on each cylinder after reassembly and all checked out. when I took it out for the first test drive I got the P0306. I suspected injector issues based on my scanner. I took it to a shop and they confirmed. That’* when I replaced spider injector assembly. Then ..read more
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Evap Issues
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by gaspush
2d ago
Hello Tried refueling 2001 lesbare 3800 the other day. Gas pump kept shutting off. Tried turning the nozzle every direction. Still shut off. I have since removed the vent solenoid off of the evap canister. I can blow air thru that freely. I removed the evap canister. I can blow air freely thru it. (I did notice liquid gas came out of the tank line when i removed it) I blew air thru the purge line, and it is free. Cannot blow air thru the purge valve itself, so it is closed as it should be. I do not know what to do next. Any suggestions?? Any help greatly appreciated ..read more
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06 3.8L Lacrosse Surges/Sudders/Bounces when lightly accelerating
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by th0mathy
5d ago
Hi there, I have a 2006 Buick LaCrosse that fluctuates in RPM. The reason I'm posting this is because my situation seems a bit different than the threads that seemed to have a similar problem. The surging occurs when I'm accelerating slowly, right around the 2000 RPM range. Here, it will bounce +/- 400 RPM repeatedly until I enter 1. let off the accelerator or 2. apply more pressure to the accelerator. The issue seemed to begin after I replaced my air filter. I thought it might've just been that I installed in incorrectly, but after checking a million times, I can confirm that both the air fi ..read more
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TPS wiring diagram
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Yasir
1w ago
Hello Everybody here. Would you kindly assist me tracking my TPS ( Engine QUAD 4 , originally used on Trans sport vehicle but my mechanic installed it on my Pontiac Grand Am Sport Sedan car)? I am worried about the 4th gear speed that doesn't seem to be obtained when I am cruising above 100 km/hr. The engine speed is loud and when I get 100 km/hr speed it is around 3500 RPM. With due thanks to you all Yasir ..read more
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1992 Buick P.Ave. Base
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Vinsonmc1
1w ago
What'* up Buick family sorry to Bother yaw But gotta question. I got 1992 Buick park ave Base and I have the transponder, resistor key. Well I lost my keys and was told I had to get ignition replaced. My question is will replacing the ignition switch work without a resistor key or do yaw know where I can get a key cut from for my ride aka grandma ..read more
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07 yukon 5.3L flex fuel poor fuel mileage
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Tsnutz
1w ago
My Yukon gets horrible fuel mileage, around 12-14mpg. Anything I can check or do to help with this?? It has a newer engine in it, installed by dealer due to lifter issue. About 130,000 miles on the engine and 228,000 miles on the vehicle. Thanks ..read more
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Quietest wiper blades?
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by Adam_Tinkerer
1w ago
I've been meaning to ask this for a long time! The wipers on my '98 always make that horrible scrubbing rubber sound on the way up. I have Bosch blades on my company truck, an '06 Chevy 2500HD, and they've been utterly silent. I bought a set for the Bonnie, and it still does the same thing. The arms don't seem to be bent, and when they come back down, they wipe evenly. Just wondering what the forum thinks ..read more
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99 Buick Regal GS draining the battery
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by haybaker
1w ago
My 1999 Buick Regal GS has an electrical problem and the battery drains constantly. I've gone thru the fuses and relays in the engine compartment, and the only thing I've found that makes it stop is pulling the 30A Maxifuse, labled IGN Main I think. With the fuse in, it'* enough of a draw to make a easily visible spark when disconnecting the battery. Can anyone suggest how I can trace that to the circuit drawing the power while key is off and removed ..read more
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Transmission
GM Forum | Buick, Cadillac, Olds, GMC & Pontiac chat
by jhmcclos
1w ago
How much transmission fluid should be visible when removing black cap on top of the transmission? I have allowed the engine to warm up & moved through each position but still do not see any fluid ..read more
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