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Break down schematic or diagram for throttle body injection for 1990 chev astro van v6 motortoo much fuel

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  • Cars & Trucks Master
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A diagram is not what you need, you need to replace the fuel injectors.

Posted on Oct 31, 2017

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Posted on Jan 02, 2017

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  • 373 Answers

SOURCE: chrysler 3.3 vin r v6 mini van, starts then dies

Charlie. You have replaced the ECM on your van?.
Kedwin,, Your problem is, the computer on that 3.3 L.
Need to be programed with the VIN nember of your car.
The Antitheft System will disable the injectors due a incorrect VIN, Bucause the body computer is not recieve the correct pasword between 5 seconds after start up.
YOU have 2 options. 1 get a ALOHA Smith. some of they have the computer required to program ECMs.

The other option is: Get a new ECM from the dealer, They will program if ask for that.

NOTE:::::: Other way is . Put the body control module with the computer from the same car.

OK... I hope this work for yours.
If NOT letme know I can look for more information.
Thank you.

Posted on Jul 17, 2008

polarcycle
  • 1392 Answers

SOURCE: no injector pulse, no current to the injector

Check the pickup in the distributor as this is the cam sensor. The injectors run of the pulses created while the rotor is turning around. It should be a plastic disk located under the rotor button.

Posted on Mar 13, 2009

  • 532 Answers

SOURCE: I have a 1993 astro 4.3 V6 - dies at idle and will not restart

fuel regulator?

Posted on May 10, 2009

  • 135 Answers

SOURCE: 1989 chev van w/ 350 backfires through throttle

check distributor cap and rotor button,pops and backfires under a load ,yes sounds like cap and button, hole to help robert b.

Posted on Jul 11, 2009

  • 1 Answer

SOURCE: 1990 chevy blazer 350 ci throttle body fuel

truck is missing and it back fires, started after i washed engine, replaced distributercap,plugs,wires,coil,ignition model,throttel body sencer,map sencer, its still missing. brake warning light flashes 7 times and stays on on the 7th flash. please heip

Posted on Jun 10, 2011

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I need more info. However, if your fuel pump is not coming on, check the wiring first. Also some vehicles have a fuse under the hood for the fuel pump, usually it is a little 20 amp fuse along with the one in the vehicle. There is a relay for the pump too that might need to be checked. Where did the fire spread? Did any wires start to melt? Check the pressure regulator, it is just a diaphram inside of it, if the fire heated it up enough, it might have caused the diaphram to bust inside. Did the fire spread to the injectors? If you can give me some more detail I'm sure we can find the cheapest solution for you. Hope what I have covered helps you. I am looking forward to helping you fix your problem.

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