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Fuel injector how can i clean a gummed up injector

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Sugar in my "1985 olds cutty sup" gas tank.Car was driveable for a week.Now I go to start my car it cranks up my car starts,it stays on for two seconds when i let go of the gas it shuts right off.


Did you have the sugar cleaned out of the gas tank? If not, you don't have electrical problems. You have fuel problems. The sugar gums up everything. The fuel pump, the filter and the injectors. Did two cars from the same family. Had to replace the fuel pumps, filters and all the injectors (couldn't even have them professionally cleaned). Cleaned out the tanks and all the fuel lines. Their insurance covered the parts and labor.

Apr 19, 2015 | Cars & Trucks

1 Answer

How long should fuel injectors last?


there is no "life " for injectors because of the variables that are involved in their use.Poor quality filters ( one with a high micron value) will let abrasive ( grit) through and wear /block the tips. This is found in all fuels. Fuels that are high in tar content will produce gum that restricts the operation of the injector ( fuel manufacturer and quality) contaminated fuels ( water , fuels cross contaminated by the delivery vehicle because the tanks were not properly cleaned out before refilling with a different product. Electronic power surges and shorts , water in connections . All of these things will reduce the operational life of an injector . The quality of the injector itself . Although a costly injector is no guarantee to long life, it will probably be better than an el-cheapo unit.

Dec 22, 2014 | Cars & Trucks

1 Answer

What controls fuel delivery to cylinders on 2000 ford explorer mine instantly fouls all spark plugs


Each cylinder has its own fuel injector. If the pin hole size orifices that deliver fuel into the cylinder are gummed up or have deposits in or on them, then the fuel will be introduced into the cylinder as a stream or other unacceptable spray patterns instead of a conical shape. Chevron Techron is an excellent product that really works to clean fuel systems and injectors.

You may also have defective injectors, worn spark plugs, (they may have improper gaps), the wrong spark plugs for your engine, insufficient spark due to defective coils or the coil pack, spark plug wires that have lost their conductive integrity or a fuel pressure issue.
Good luck.
Click on link below to see how fuel delivery works.
fuel injector spray pattern Google Search

Oct 29, 2014 | 2000 Ford Explorer

1 Answer

Replaces fuel filter, but 2006 Ford tarus still starts somestimes and not others


even though you replaced the fuel filter , it still passes dirt through the filtration system , so what i recommend is 2cups of acetone 1 cup for 1/2 a tank of fuel and if its full then two cups , this solution will clean your fuel injectors , if you use those advertised chemicals that clean fuel injector , those have a chemical varnish which causes to gum up ,but i assure you acetone is pure alcohol and it will not harm your engine , you will see an improvement in your fuel milage as well .

Mar 21, 2014 | 2006 Ford Taurus

1 Answer

Will not stay cranked


change your fuel filter and clean those gummed up injectors ..see if that works ...you may have to sit with it and keep it running while the fuel cleaner runs the gum out ...the filter is simply stopped up ..you must get a new filter

Oct 27, 2013 | 2008 Subaru B9 Tribeca

3 Answers

I have a 88 Fiero GT V6 that has sat for over a year without starting. I put in 5 gallons of gas, and used starting fluid. Starts, but only keeps running while fuel is poured into intake. I suspect water...


1) Running fuel pump to remove water from tank will likely not empty it all, but it might help. Will still be some liquid in bottom of tank.

2) More than likely, the gas has gummed up and is no good, While your draining of the tank will help, may still need to change the fuel filter and clean the injectors. The ability to keep engine running while pouring into the intake is a good sign, but mayfind that more parts need to be cleaned and replaced prior to solving the problem.

Oct 19, 2009 | 1988 Pontiac Fiero

2 Answers

My 1995 4runner is idling badly when i come to a stop sign. what can i do?


check all vacuum hoses look for broke crack vacuum lines.replace all spark plugs and wires.if they have been changed in a while.also clean fuel injectors using prestone or gum out .fill gas tank .put a bottle injector cleaner.in tank .drive it around several miles so the injector cleaner will clean out injectors.wait until car cool down .change fuel filter. relieve fuel pressure first before removing fuel filter.

Apr 26, 2009 | 1995 Toyota 4Runner

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