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Rich fuel exhaust the carb. needs to be rebuilt and i need as much tips and advice i can get

GMC Caballero 1982 2.3L. 231 six cylinders code 45 Rich fuel exhaust. carb is being choked with too much gas and it is backfiring with flames out of the carb, black soot is choking the engine clogging the gas flow and the choke is stuck i need all the advice and tips on how to rebuild the carb. thanks.

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6ya6ya
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Posted on Jan 02, 2017

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tabbycat282
  • 56 Answers

SOURCE: 1989 tw200 yamaha won't start

G'day egdbcs . Ok.now lets see.You say good spark,so i'm presuming you are doing the old sight test.Try bending the arm on a know good sparkplug about 5-6mm,earth the plug and kick'er in the guts(crank it over)Be very carefull , high voltage danger.If there's still a good spark it's safe to say that there will also be a good spark under pressure in the combustion chamber,speaking of which you should also do a compression test,anything over 100psi should be ok. as i'm not to sure of the extent of the re-build,hopefully the valves were lapped and checked for straight and true and valve seals replaced,if you notice oil on the tip of the spark plug you could have a leaking valve seal or oil seal .Try putting a small amount of fuel directly into the combustion chamber ,tighten up the spark plug ,install the plug cap and.......Yeah ..You guessed it ..."kicker in the guts".If all the abouve are correct and true it should fire up.If it runs for 5-10 seconds then stops you've got some sort of fuel starvation problem , could be dirt in the carb,blocked idle jet ,or air passage or even the needle could have come off it's clip,believe me with an old bike like yours anything could be worn and loose inside that carby.The only other thing to consider is the timing.There may be a good spark but is it happening at the right time inside the engine???. I'll leave it all in your capable hands EGDBCS.Hope this helps to solving your worries. Chow for now......Tilleydog..

Posted on Jun 03, 2009

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jakeslimco
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SOURCE: Apparent carb problem.

carb sync problem.. check online for some really easy to make carb sync tools from home..

the tubing with liquid fill worked well for me

cheers

Posted on Sep 17, 2009

  • 171 Answers

SOURCE: 1985 ford F150 is running very rich. (choke is

When you say it's destroying the air filter---do you mean it's all sooted up ?? I am assuming that what you mean.
Try disconnecting the vacuum line at the egr valve and see if that helps.
But it sounds more like a plugged up exhaust system.Try disconnecting or looosing the flange before the cataylic convertor and then see how it runs.

Posted on Nov 20, 2009

peterrance19
  • 399 Answers

SOURCE: 83 s-10 2.8 engine needs choked to idle. Open choke

hi if your backfiring your timing is a little out also increase you idle speed on your carb by ajusting your throttle screw hope this helps if you find this useful please rate it thanks

Posted on Nov 20, 2009

  • 157 Answers

SOURCE: I have a 1983 toyota pickup truck.the truck has

possible check vacume hoses if its hookup properlly

Posted on Nov 24, 2009

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Next in line to that is the spark plug wiring, followed by ignition coil.

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Code: Meaning:
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14
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15
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22
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23
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32
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