1991 Buick Regal "injector spark" Questions

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Question about Buick Regal

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...on all the spark plugs? Whay was it parked adn did it run then? Very High Probability that the injectors are colgged. When a fuel injected motor is non operational for more than six months, The ...

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Question about Buick Regal

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...injector stuck open. Either way pulling the spark plugs would show the wet one in the cylinder in question. Then try turning the engine over a bit with the injector in the open, to see if it is stuck ...

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Question about Buick Regal

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acceleration has no pick and go Have you changed the fuel filter? You may want to check: * Air filter * Spark plugs * Spark plug wires * Fuel Filter * Fuel Injectors * Catalytic converter

Question about Buick Regal

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no start 1991 regal plenty of fuel ,spark ,power to injectors ; new ignition mogule,fuel pump; no pulse at injectors runs on start fluid if it runs on starting fluid its a fuel problem.. check fuel ...

...correct. No it's not a blown head gasket! most rich conditions are caused by stuck open injector, or weak spark... could also be electrical or pcm problem... id ck the spark plugs then go from ...

...changed out the platium because of crack now wont start? Are you getting voltage and pulse to the injectors ?Sounds like something is disconnected in  the wiring

Question about Buick Regal

1 Answer

no start,91 regal 3.8 w motor plenty of fuel,spark,power to injectors,no injector pulse; new ICM, fuel pump, still no start HELP??????????????????????????? sounds like an ignition module

...that cyl 2 was getting spark from the coil?If it is not getting spark the ignition module may have an issue but if it does have spark most likely the problem is with the injector or injector

Question about Buick Regal

1 Answer

spark but no injector pulse you have one or more injectors shorting (acceptable range is 13 ohms) any lower than 13 ohms injectors are toast. IF no spark and no pulse your ignition module and or crank

Question about Buick Regal

2 Answers

...can of starting fluid and spray a small amount into the air intake. If it tries to start, then the injectors are not being told to open. You see pressure in the fuel rail does not mean the injectors ...

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