Question about John Deere 3010,3020 Tractor Basic Carburetor Repair

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Starts good runs good on idol, but under load misses

Starts good runs good on idol but under load misses

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Is it a lp,gas are diesel?...If lp are gas check timing and point are in some cases the flapper in the carberator.If Diesel it possible the flex ring is coming apart in the injection pump and stoping up the return lines at the injectors retarding the timing advance in the injector pump..very common in the 3020 4010 4020 4320 and 5020 John Deere ag tractors...

Posted on May 18, 2010

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Posted on Jan 02, 2017

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I have a 2001 Honda shadow 750 deluxe. It has a misfire issue due to hitting the Rev limiter.


Hi, Jesse and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
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Jul 06, 2016 | 2001 Honda VT 750 CD Shadow A.C.E. Deluxe

1 Answer

Engine missing


Take it to Dealer.

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1 Answer

On my 88 Lincon Mark 5 when it is cold it will start but it misses after it starts to warm up it shuts off and has difficulty starting back everytime we go to put it in gear it will die it wont even...


Sounds like you have a bad ign. module. When the engine is cold moisture causes the miss and when the engine warms the module shorts out all together.

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1 Answer

1998 altima runs fine idol hesitates &sputters under load


You may have a check engine light on which would require you to have the computer scanned for trouble codes. The codes would help direct you or a mechanic on what to test.
A cylinder miss could be ignition, fuel, or something mechanical.

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1 Answer

Hello, I have a 1990 Ford F150 4.9l Auto 2wd. I have had problems with my truck running rough when i start it up. It runs ok for about 5 seconds with some miss. but then after the idol drops down to under...


sounds like an intake leak / getting to much air at low rpm . spray a (tiny amount) of tractor starter fluid near the intake base and see if the rpm speeds up if it does it's leaking you need new intake gaskets, or a hose is leaking , get a vacum guage to test it.

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1 Answer

96 dodge intrepid 3.5 seems timing is to slow starts & runs


Replace your catalytic converter. Check your exhaust manifold for leaks aswell

Jun 29, 2009 | 1996 Dodge Intrepid

1 Answer

Engine power seem a miss when demand is needed


check your fuel pressure good chance that there is enough fuel getting there under light load but not enough under heavy load it should not drop below 45 pounds at WOT ( wide open throttle ) while driving under a load if it drops to low good place to start at the pick up screen in the tank or the pump itself

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1 Answer

Missing


Check your ignition system, plugs, wires, rap and rotor, i bet one of those is the culprit.

Feb 01, 2009 | 1983 Nissan Pickup

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