Question about 1991 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

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  • bigdad081163 Aug 05, 2008

    problem solved;;;;;;;bad ECM

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If it runs on starting fluid its a fuel problem.. check 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 regulator on fuel rail

Posted on Aug 02, 2008

  • gilbert espino
    gilbert espino Jan 22, 2014

    did that ready its ok

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1 Answer

93 chevy cheyenne acks as if its out of fuel, or not getting fuel i've replaced fuel pump and filter, checked the jets whats next?


Does it try to start if you spray starting fluid into the throttle body ?
Are you getting power and ground pulse to the injectors ?

Dec 10, 2015 | Cars & Trucks

1 Answer

Fitted cranksensor injector loom still not starting ?


You would put on a new crank sensor because the ignition system won't work, it gives no spark. So now do you have spark at a spark plug wire end? A blue consistent spark? Probably good ignition system, as long as all spark plugs get a spark.

One thing you always want to check with no start is the fuel pressure. Turning the key to on should turn the fuel pump on and put pressure in the fuel rail at the engine. Autozone and maybe others rent or loan fuel pressure gauges. Multi-port injection systems have high pressure specifications, around 40 psi normally. That is what the injectors require to spray out fuel when they pulse and open the nozzles.

With the injector circuit, the first thing to check is if each injector has power to it with the key in ON. One power wire and one ground wire goes to each injector. The power wire is from a fuse that is powered with key on or key in start, and then it is spliced to all of the injectors. The injector grounds all run into the engine computer, where the circuit can be internally grounded for a split second and cause the injector to pulse. But anytime the key is on, the injectors have steady voltage available to them.

Mar 13, 2015 | Cars & Trucks

1 Answer

Randy, my honda wiil run on strarter fluid, but no injector pulse


yes it does control the fuel system, try changing it out with a know good one or new one. let me know if that solves.

Jan 07, 2013 | 1991 Honda Accord

2 Answers

My 2001 Saturn, will start but not stay running. We have checked the fuel pump and all fluids. Did a compression check this morning, fuel injectors are not injecting fuel into fuel rail. Why is engine...


You said, 'fuel injectors are not injecting fuel into fuel rail' but it's my understanding that the fuel rail gasoline is supplied by the pump, and the fuel injectors just pulse to allow fuel to get to the cylinders. I would check out the fuel delivery problem further. Check for pressure in the fuel rail that is within specs.

If not, then the pump or fuel pressure regulator may be the problem. Check the fuse for the fuel pump. If good, then the pump may be bad in the tank.

Good luck on this.

Feb 05, 2011 | 2001 Saturn L-Series

2 Answers

I checked my spark plugs and have a spark going to each plug. I changed the fuel pump thinking I didn't have enough fuel pressure. I sprayed some starter fluid in the intake and it started for about 5...


If you are getting spark and the engine tries to run on starter fluid, then you have lost fuel. Check that you are getting injection pulses at the injectors and check the fuel pressure at the fuel rail at the injectors. Check for power to the fuel pump when the engine is cranking, If you get no power to the fuel pump when cranking the engine, check fuses and relays. If the pump is running but you have no fuel pressure, check the fuel filter and fuel pressure regulator and replace any that are faulty. If the injection pulses are missing, check the supply relay which supplies power to the injectors first ( the injectors are earthed by the ECU) Disconnect one of the injector plugs and using a test light (buy one from a auto parts store) clip the end to a good earth on the vehicle body, switch the ignition on but dont start the engine, then probe the two connections in the injector plug. One of these connections should be active all the time with the ignition switched on. If it is, you may have a sensor failure (crank sensor etc), if it is not, check fuses and supply relays. A word of warning, the wiring you are dealing with is connected directly to the engine control, if you make a mistake, you can cause irreparable damage so if you have any doubts, take the vehicle to a professional..

Jun 28, 2010 | 2002 Mitsubishi Lancer

1 Answer

No start with good fuel pressure and spark 244 vovlo


If the engine will not fire on starting fluid the problem lies elsewhere in ignition. Spark plugs etc. computer has a nofault safety start relay. meaning no spark , no fuel

Mar 09, 2010 | 1983 Volvo DL

1 Answer

I have a 1991 Buick Regal. Once the car starts,and the engine gets hot, the car will die out, and not start again til cooled off.


one of 2 items are probable. have the ignition module tested. also check the crank position sensor.check for spark and injector pulse when it dies.

Nov 09, 2009 | 1991 Buick Regal

1 Answer

91 ford mustang 5.0 fuel pump and relay is working but the pump is not getting power


How do you know the fuel pump is not getting power?.The fuel pump only comes on for a second or two before cutting back off.The ecm only suppys power to the relay for a few short seconds with key in the on position.Only constant 12 volts is supplied when the engine is running.Is the fuel pump new?How do we know it is good?Also is the engine giving a spark when the engine is turning over?If the engine has no spark,then the pick up coil could be bad,otr the ignition module could be bad.Check the fuel at the injsctors or a fuel line to see if the fuel will pump out when the key is turned on,if it does not,then check to see if the ijectors are pulsing.If the injectors are not pulsing ,and you have spark,then remove the distributor and replace the pick up coil,and the ignition module.The pick up coil,along with the igniyion module give the injectors there pulse.One other thing,If the fuel pump is not for sure coming on,check to see if the relay is clicking on,and then off in a couple of seconds.If this is true,then replace the fuel pump.Any other questons,please ask,I will try to help if I can.I hope this was some help,let me know,thanks.

Sep 29, 2009 | 1991 Ford Mustang

2 Answers

Crank no start: has no spark and only has injector pulse on cyl # 1. if you spray starting fluid directly into throttle body car starts and stays running and has spark and inj. pulse. once you turn the car...


Fuel pump, you have to have press in the rail to fire all injectors- she will run on ether but not good for her. Ck your pump and any related fuses,relays,wiring.

Jul 11, 2009 | 2002 Hyundai Accent

1 Answer

No start,91 regal 3.8 w motor


sounds like an ignition module

Aug 02, 2008 | 1991 Buick Regal

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