Question about 2000 Harley Davidson FXDWG Dyna Wide Glide

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My 02 fatboy was running great. Of a sudden it started backfiring, sputtering and behaving as if it were fuel starved. I've changed fuel injectors and MAP sensor. No improvement. Can you help?

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    Rivers Taylor Aug 22, 2012

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The most overlooked and simple solution would be to check and replace spark plugs.

Posted on Aug 20, 2012

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Sounds like a broken fuel pressure regulator housing

Posted on Oct 06, 2010

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1 Answer

1991 Dodge Stealth runs well but when heavy on accelerating it starts to kick and sputter. Like it is starving for gas.


Because it is. Change the fuel filter. Wouldn't hurt to throw in some injector cleaner on the next 3 or 4 fill ups.

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What would make a car start then run smooth for 30 seconds then sputter and then backfire as it quit running?


Points to lack of fuel! Do you run low on fuel? This causes rust and sediment in fuel to be sucked into fuel lines and cause blockages! Could have damaged or faulty fuel pump! Fuel filter could be blocked...when last changed?

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2000 tundra v6 5-speed cold start truck runs great, park it for 20-30 min it will start fine but after going 1/4 mile it dies, looses power. pull over and it will backfire and sputter until it eventua


bad need of a tuneup? like new spark plugs, ?
172 , is 02 rich/ lean warning. this one is low oxy for rich.
this code can just be a victim. for sure , with misfire.
means 02 sensor stuck at rich,
what is water temp in engine coolant, at failure? less than 150F?
could be lots of things.
leaking injectors, bad fuel.
injector sticking> causing misfire.
id use a scan tool and watch all sensor when it fails.
too high fuel pressure.
misfires cold, but only luke warm cold starts not fully cold.

just one DTC, no P0300 or 30x misfire codes, not even P0300 pendings?

Jan 31, 2014 | 2000 Toyota Tundra

2 Answers

Briggs and Stratton 20 hp intek runs great idles great but after running for 15 min. it acts like is running out of fuel and dies. it starts back up if you wait a few min.fuel filter new , plugs new air...


Had the same problem with an almost new Craftsman w/ Intek 20.0 HP. Check all the "usual suspects" and had to have a tech come out. He had me start it. It ran for a few minutes and stopped (per usual). He immediately went to the Anti-Backfire solenoid. It is an electrically operated "plunger-style" fuel line blocker. They are famous for going bad. The part is about $65 and its sole purpose is to starve the engine of its fuel supply at shutdown so it won't backfire. If it is disabled, the user must throttle the engine down for 10 seconds or so before turning the key off in order to avoid backfires. Gee... let's see, 10 seconds of my time each time I use the mower vs $65 part ... No contest! Remove the solenoid, take a pair of electrician side cutters and snip off the tip of the plunger and reinstall it. Problem solved ! ! !

May 07, 2010 | Briggs & Stratton Briggs Stratton Intek V...

1 Answer

Stopped running on the highway as i disengaged cruise


it sounds like ou may have a weak fuel pump. if all it does is sputter then its starved for fuel. you might also check for water in the tank if theres enough water built up it wont run right

Dec 25, 2008 | 2000 GMC Sierra

3 Answers

"99 cherokee classic: sputtering when cold


I had the same problem with my 99 Cherokee. I was told to replace the blower motor for the carburetor, works great and gas mileage improved.

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