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Good day i have redone the whole engin replace the fuel injectors and done the injector pump and my check engin light still come on on my tata xenon 3l dc 2014 model what can be the problem

Posted by Bertie on


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  • 99 Answers

SOURCE: Fuel Injector Wont Spray

check wires at throttle body. can use a 12 volt test light to check for current. if you have spark it is not the ign module. set meter for 12-20volts. should have 2 fuse boxes on this model, one behind right side of dash at floorboard

Posted on Nov 30, 2008



  • 1 Answer

SOURCE: 2000 chevy blazer, truck cranks

Does your battery go dead?

Posted on Dec 18, 2008



  • 2 Answers

SOURCE: 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.

Posted on Apr 08, 2009


Clint Smock

  • 4669 Answers

SOURCE: dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

Posted on May 05, 2009


Philip Long

  • 1486 Answers

SOURCE: 1987 chevy S10 engine idle problem

relace the throtle air idle valve.The temp switch will allso cause this problem.

Posted on Jul 19, 2009

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Do you have spark to plugs? Correct fuel pressure? Injector pulse? Compression?

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2002 dodge ram 1500 4x4 4.7l Turns over but won't start put gas in the throttle body an it will start but shut right off getting gas to fuel rail An power to the injectors

It doesnt sound like you have sufficient fuel pressure can you hear the pump run? if so might be a pressure issue, if not probably pump

Apr 11, 2015 | Dodge Ram 1500 Cars & Trucks

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Fuel pump pulsing when i turn key on

Well the pump would not be able to flood the engine unless the pressure regulator failed or one of the injectors was stuck open.
Have you checked the regulator and injectors ? The pump relay should power the pump for 3 seconds when you turn the key switch on, and you should have around 40psi of fuel pressure in the injector line.

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2003 monte carlo 3.4 130,000 skips on start up

I'd suspect a sticking injector--car should have set the check engine light. Read the code(s) to progress further. If the coil pack were a problem, it would not be likely to fix itself. If the codes indicate an injector problem, try an injector cleaner in the fuel--worst case, replace the bad injector. The codes should indicate which cylinder to change the injector.

Sep 09, 2012 | 2003 Chevrolet Monte Carlo

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2003 vibe will not start

It has good spark then? Have you pulled a plug or two after prolonged cranking to see if plugs are wet with gas? You said pump was working, have you checked the fuel pressure? Nothing in your comment about the injectors-that's why I asked if plugs were wet.

Check the fuse for injectors, verify that power is available at all injectors with key in ON. You can check the injector circuit with a "noid light" available at any parts store-different sizes, so get the one that fits your injector connector. Just plug the light in and crank the engine over. If circuit is good, the light will blink. If it doesn't blink or if it lights up and stays lit-the circuit is not right.

All of this is to see if injectors are pulsing and spraying fuel. Do the same with spraying starting fluid into the air intake and cranking motor. If engine now runs for a few seconds, then you know it was a fueling problem.

Apr 06, 2017 | 2003 Pontiac Vibe

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Engine stalls at stop signs. Has new fuel pump

It stalls and has no power since there is not fuel. It could be : 1- Fuel filter is clogged up. 2- Injectors are clogged up. 3- Throttle body gummed up. Do # 1 first if it doesn't improve the situation, then follow these items:
A- Check the injector module if it is working by Plug in NO ID at each injector electrical plug to see if they are lighted up during the cranking. - If there are lights flashing up at these injectors then Injector Module is good. - If there isn't light flashing then the injector Module needs to be replaced.
B- If the injector Module is good, proceed to C.
C- Break the connection from the gas line to the fuel Distributor and start the engine to make sure gas is delivered to the fuel distributor before proceeding to D D- Check out # 2 by removing Injector from cylinder #1 leaving the electrical plug in, with a bottle or Ziplock bag to catch the fuel then have a helper to start the engine to see if fuel coming out of the injector. If there isn't then the injector is bad. Replace a bad injector. You can repeat this method for the rest, or just replace all injectors as I would suggested as the car age.
After this, it should be running well and sometimes having stalled then the time to clean the throttle body. Good luck.

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Dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

May 05, 2009 | 1999 Dodge Ram

1 Answer

84 toyota supra 5 speed man.

sounds like ecm. car starts but when it switches over to run setting from cranking setting the cumputer ecu doent activate the run curcuits which may control your fuel injectors. check to see if engine has spark. remove one plug wire from spark plug put it close to the valve cover if you see an arc then you know that you have spark. then also go to fuel pump in tank and check voltage on the power wire if you have good voltage and the pump doesnt make any noise while ur cranking then it may be a fuel pump if the pump is making way to much noise then check the fuel pressure by hooking up a fuel pressure gauge. all test are to be done while someone cranks the engine. noid light for the injectors, disconnect on injector electical connetor connect the noid light to the wire that u just unplugged from the injector. the light will flash while u crank , once it goes to the run circut the light will either stay on which will shut off ur car or the light will stay off which will do the same. if the noid light did what I said when it went to the run circut then it is what controls your injectors...ecm good luck....daniel

Oct 11, 2008 | 1984 Toyota Celica Supra

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