Question about 1999 Ford Taurus

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Will not start. timing is good fuel pumps working but no spark at the plugs and no injector pulse.

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Electrical problem. check cable wires and ignition. replace if defective

Posted on Oct 03, 2009

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Lincoln car 2003 fuel pump good all sender good but fuel injector not spraying why


Your question states that the fuel pump is good. If you are sure that your fuel pump is good, then it's time to look into your "fuel injector not spraying". Also check all your fuses. It would suck if it's just a fuse :-). Go to your local parts place like advance or autozone and pick up what is called a noid light. This little light plugs into the connector that plugs to the injector. Crank the engine and see if the light flashes when you crank. If the light flashes, check a few others to make sure they work also. That means you're getting an injector pulse and they should be spraying. Look into a fuel pressure problem. If the light does not flash, obviously you are not getting an injector pulse. The sensors that would affect an injector pulse are cam sensors or ignition module. You vehicle may have one or both of them. The crank sensor contributes to spark and cam sensor to injector pulse. Check that you have crank signal also in case you gave multiple problems. Those sensors send signals to the computer but ultimately the injectors get their signal from the computer. If all else is good then it's possible that you may have a bad EM (computer). Further diagnostics may be necessary to determine that. I hope this information has helped some. Good luck.

Apr 23, 2017 | Lincoln Cars & Trucks

1 Answer

My 98 ford explorer wont start its turning over and getting spark and fuel


OK IF YOUR YOUR SURE YOU HAVE SPARK AND FUEL THEN THE PROBLEM IS AIR OR COMPRESSION I WOULD THINK COMPRESSION DO A QUICK COMPRESSION TEST AND I THINK YOU WILL FIND THE PROBLEM IS A BROKEN TIMING CHAIN ONE OTHER POSSIBILITY IS A PLUGGED CATALYST BUT FOR BOTH BANKS TO BE PLUGGED TO THE POINT IT WILL NOT START IS VERY RARE GOOD LUCK (WHEN YOU SAY YOU HAVE FUEL DO YOU MEAN THE FUEL PRESSURE IS GOOD AND YOU HAVE INJECTOR PULSE OR JUST THAT YOU HAVE GOOD PRESSURE THE INJECTORS MUST PULSE AND HAVE AROUND 45 TO 60 PSI (RULE OF THUMB) FOR IT TO START ) USE A NOID LIGHT TO TEST INJECTOR PULSE OR IF NOT AVILABE SUBSTIUTE A 194 BULB AND BEND THE WIRE TABS FROM THE BULB DOWN AND PLUG THEM INTO THE INJECTOR HARNESS (NOT RECOMMENDED FOR ASIAN OR EUROPEAN CARS ) THIS LIGHT WILL BLINK WHEN CRANKING OR RUNNING IF YOU HAVE INJECTOR PULSE

Nov 15, 2013 | 1998 Ford Explorer

1 Answer

2004 ford explorer will not start but turns over


For a no start , cranks over ok. be sure you have fuel pressure at the fuel rail first, before checking the injectors. There should be more that 40 psi at the rail... if not .. you might have a fuel pump problem. Even if you have fuel pressure at the fuel rail... the next thing I would check for,,, is spark !! Make sure you have spark at the spark plugs. The order would be... fuel pressure first and then spark , , then injector pulse. !! Then plugged exhaust.... then bad fuel then engine timing. The injectors have power to them all the time. The PCM controls the ground to the injectors. So you would have to monitor the ground side of the injectors. So checking injectors is kinda complicated. Hope this helps you. Good luck.

Mar 03, 2013 | 2004 Ford Explorer

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

Have a misfire on cylinder 3


Hello
Here is what to check let me know if you need help checking this out
most common misfire causes on the cars I've worked on have been:
  1. Spark plugs
  2. Spark plug wires
  3. Ignition coil
  4. Fuel injector
  5. Wiring to fuel injector
  6. Timing Belt
  7. Vacuum leak or stuck open EGR
  8. Contaminated fuel or bad fuel pump
  9. Weak compression
  10. Blown head gasket

Jul 14, 2010 | 1998 Dodge Durango

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

2 Answers

1990 montero no start. No power to open injectors, good fuel pump


Check the injector pulses with an osciliscope. If you arent getting a pulse check the ecu. I have cooked 2 of them. One killed my ignition but had good fuel. the second time it wouldnt open the injectors but had good spark. A quick check is to take the ecu out and take the cover off. then look for burnt electrical components.

Nov 20, 2008 | 1990 Mitsubishi Montero

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