Question about 1994 Buick Roadmaster

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Were do i spray starter fluid to get my 1994 buick roadmaster started Lt1 motor

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  • Buick Master
  • 13,071 Answers

Into the throttle plate , Look at round black rubber tube from air filter box over to the engine ! Use a screw driver , loosen the clamp and pull the hose off the engine , where it fastens is call throttle body . Look inside you'll see a round disk or plate what ever you want to call it . Have someone step on the gas pedal and hold it down , you will see the plate open . This is where you spary the starter fluid ! After spraying some fluid in have the person holding the gas pedal down , release it . Then try to start the vehicle .

Posted on Dec 10, 2016

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6ya6ya
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Posted on Jan 02, 2017

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wyatt1582
  • 453 Answers

SOURCE: have spark,no fire,sprayed starter fluid into throtle body but does not start

Turn key forward listen for the fuel pump to pressurize if you don't here anything then your fuel pump needs replaced and it's in the tank.

Posted on Apr 21, 2009

  • 5581 Answers

SOURCE: Will not start without spraying starter fluid for a second.

I would start by changing the fuel filter. The next area would be the O-rings if so equipped. If it starts better after a short use then you are getting air in the fuel lines overnight. Diesels are tempermental. The cranking speed of the starter is important and easily checked externally. If you have a mechanical fuel pump you are relying on cranking speed to prime the fuel system. The timer or timing wiring could prevent the glowplugs from heating up. Diesels rely on glowplugs to start, then compression to run. Its a lot to look at but I suggested the cheapest fixes first.

Posted on May 11, 2009

mhamlin63
  • 138 Answers

SOURCE: 1994 S10 Blazer Tahoe starting problems

Well, obviously someone didn't tell you the truth because spraying into intake doesn't make the vehicle turn over any better. You have ignition or fuel delivery problem. Start by taking fuel line off at intake and crank engine a couple times catching any gas in a cup or something. If none, then trace fuel line back and under vehicle til you find filter. Should be under driverside midway back on inside of frame. Change this and try test again. If no gas, see if fuel pump is on motor(mechanical pump). Change this and test again. If not on motor then it's in gas tank(electric pump). Most cases the tank has to be lowered to take out pump, careful not to drop, dent or make sparks. Some came with access through the floor so check that first. Normally you can hear an electric pump come on when you turn the key. Good Luck

Posted on Jun 30, 2009

  • 1986 Answers

SOURCE: How do you take the panel off the rear door of a

On the inside trim, you can remove screws (these screws may be covered by filler pieces or may be visible, or they may require you pry a plastic piece off that covers the screws) that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. You'll need to lift the door panel upwards in order to get it off the window ledge. Then you'll need to manipulate the panel and disconnect the door handle linkage from the door handle and disconnect any other wiring that may be attached to the door.

Posted on Nov 02, 2009

Molson02536
  • 3854 Answers

SOURCE: I have a 1994 GMC Jimmy and I have to use starter

Check the fuel pressure at the shredder valve, there should be 62 to 65 PSI when the ignition key is turned to the run position. (engine not running) Once the engine starts and is running, it should drop about 5 PSI. If the pressure is less then 62 PSI when the fuel line is pressurized, the engine will not start. If the pressure is good, then you may have a bad fuel Injection system which is a common problem to the CPI. Good luck and keep me posted.

Posted on Nov 25, 2009

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1 Answer

Spark plug gap settings chart


You should be using platinum or iridium plugs with the LT1, and you don't gap those, they are set at the factory. If for some reason you want to use copper, it's .050", but they are going to wear out faster so you aren't saving any money by using them. Also, it's not a very easy job, so you wouldn't want to have to do it two or three times when you could have done it once.

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If you click the link you can watch a video of the job on a 96 Impala which uses the same engine as your Buick that being the Chevy LT1 5.7L Corvette V8.

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Replaced fuel pump, pump wiring harness, fuel


Fuel Pump RELAY & FUSE CHECKED & DO you Have POWER "TO" Fuel Pump ? ALSO OIL Sending Unit Supplys the GROUND To Fuel Pump , This is A Saftey FEATURE that Shuts Down Fuel If ENGINE Looses OIL PRESSURE . And If This OIL Sending Unit or also Called (OIL PRESSURE SENSOR) << If It FAILS it WILL Cause What Seems Like A Fue Pump Problem But Is Rally Just The Sensor that is BAD. HOPE this Sheds Light on Your Problem !

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