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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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Posted on Jan 02, 2017

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SOURCE: 1989 tw200 yamaha won't start

G'day egdbcs . 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

  • 56 Answers

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


Posted on Sep 17, 2009

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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

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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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chances are when you fix the check engine light the smell will go away too. the fuel delivery to the engine cylinders is not correct causing the vehicle to run too rich or too lean. you need to find out what code{s} have turned on the check engine light. If you continue to drive you could increase the cost of the repair so get it checked quick.

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Code: P0306, Cylinder 6 misfire detected. Probable cause: rich/lean air fuel mixture, ignition system fault, fuel injector fault, engine mechanical fault. Also, code: P0431, Catalyst efficiency below...

The most probable cause of misfire on every gas powered vehicle is a worn spark plug.

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

Even if the plug is NOT worn, inspecting them will tell you the story of how the engine is operating.

Replace all of your spark plugs. The old plug from bank six will look different from the rest and will most likely smell like fuel also.

The codes you are getting pertaining to the oxygen sensors are the result of the engine misfire.

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Specifically sensor 3 bank 1 oxygen sensor 2000 GMC Jimmy 4.3L v-6 4wd

Skolruby, There are four different codes for bank1 sensor3 as i think you may have written it backwards. It goes as follows, code po143 ho2s circuit low voltage bank 1 sensor 3 po144 ho2s high voltage bank1 sensor 3 po146 ho2s circuit insufficient activity bank 1 sensor 3 po147 ho2s heater performance bank 1 sensor 3. If you are getting code 44 lean exhaust. or 45 rich exhaust, It will show up on an emmisions test witthout the check engine light on and fail. If you get code 45 you might have a csefi fuel meter leak, A common problem with this engine. It is hard to detect unless you dissesemble it and see raw gas by the plastic injector tubes. I have the same year and model jimmy. It took days on a diagnostic machine to shake it out, What a pain. good luck.

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clean the MAF sensor with some carb cleaner... be carefull not to break the thing wires going across the opening... remove clean the EGR valve and replace them. check for vaccume leaks... best way is with carb cleaner... but be sure not to spray the exhaust and away from intake so it dosnt grab any of it and botch yr results. gl

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Truck wont start

Is it getting fuel?
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as for the is the code list for gm vehicles

Code: Meaning:
No Distributor pulses
Oxygen sensor
Coolant Temp sensor circuit
Coolant Temp sensor circuit
Throttle Position Sensor
Throttle Position Sensor
Manifold Air temperature sensor
VSS (Vehicle Speed sensor)
Manifold Air temperature sensor
EGR system
MAP sensor or MAF sensor depending on engine
MAP sensor or MAF sensor depending on engine
Idle Air Control Valve
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No Distributor pulses, cylinder select error
Electronic Spark Timing or Bypass fault
Electronic Spark Control fault
Lean exhaust
Rich exhaust
VATS system fault
PROM fault
CALPAK fault
System over-voltage
Fuel pump circuit
ECM fault
Oxygen sensor fault (degraded sensor)

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Vacuum lines for an 1983 GMC CABALLERO with 229 V6

nice choice of rod, but the v 6, junk , need to run untill 454,350, 396 arrive? cool, ok. only need dist vac to accelerater vac port pass side of carb,manifold vac port to brake boost lose rest.cap off.<check timing> racing trick, vac guage max vac back off 2 lbs of vac perfect timing for race. set wreckers up that way for clean burn and better milage. or classic roadside services .com e-mail rick v-6 231 229 vega/monza

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