1990 Buick Regal "checking fuel pressure" Questions

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...fuel pressure first, get the schematic for the pressure. I think it has to be between 37 and 45 psi. If the fuel pressure isn't in spec, then your fuel pump is to blame. If not then check fuel ...

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...than 50 if yes regulator is defect or injector leak when you test fuel pressure make sure pressure can be maintain steady if not you loose pressure from injector,check valve in fuel pump hope it ...

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Question about Buick Regal

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...fuel tank pressure sensor located in a 1998 Buick Regal Supercharged? Hi, I believe that I can help you. Go to your throttle body. A large diameter fuel rail is attached to the top of the intake ...

...fuel pressure drops to 10psi after running 30 seconds, car stalls. but what the pressure it should be at you need to check the fuel pump pressure if that is low too it is the pump if not check fuel ...

Question about Buick Regal

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...checking pressure on fuel rail (how will the pressure react if fuel filter is clogged? low pressure or will the pressure show ok), then check/replace fuel filter. Any other ideas? Testing Electric ...

Question about Buick Regal

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...fuel pressure, turn key on, engine off, fuel pressure goes to 45 psi. Start engine, fuel pressure steadily drops to 20 lbs & engine dies. Fuel pump relay & fuse are good. Fuel lines look good ...

...fuel pressure gauge and check pressure before you crank the engine. When you turn the key switch on, the pump relay is supposed to provide power for 3 seconds to boost fuel pressure. If fuel pressure ...

...fuel pressure checked with a fuel pressure gauge. Also have your diagnostic codes, if any, read by a parts store for free. A code will direct you to an engine or emissions-related problem. Yes it ...

Question about Buick Regal

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...fuel pressure even if its a couple of pounds off, the vehicle will not run. but using starting fluid may give you the extra poundage you need to make it run . also check vacuum hose at pressure ...

Question about Buick Regal

3 Answers

...fuel pressure gauge on motor fuel rail schrader valve. Could be a clogged gas filter or failed & blocked exhaust converter Air In--Air Out What are the drivability symptoms when it did start Need ...

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