Question about Razor MX500 Dirt Rocket

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I have a razor 800 just rebuilt engine it will not run it spins over and back fires seems to be blowing air back throuhg the throttle body

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  • Razor Master
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OUT OF TIME

Posted on Nov 26, 2018

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2005 Mustang GT idleing problem

may be it the problem of another throttle body.also check the ignition switch.

Check all of the battery terminals and cables and check the wires on the starter/selonoid, start from the battery and follow the cable out and check all conections , clean and tighten them and if it still does it the starter/selonoid is bad and needs replacement...

Posted on Aug 25, 2008

  • 1118 Answers

SOURCE: MY 89' CHEVY WITH 305 IS BACK FIRING THROUGH THE THROTTLE BODY

Chk. your egr valve, that it is not sticking and you got vacume to it. could be carboned up and is not working.

Posted on Feb 13, 2009

hotrodtod38
  • 141 Answers

SOURCE: 1998 GMC Sierra won't fire and run

INJECTOR MAYBE?

Posted on Feb 13, 2009

  • 123 Answers

SOURCE: car won't start, little backfire through throttle body

water in the gas?
lose wire in the plugs
fuel filter is dirty
auto choke is stuck
What?????????

Posted on Apr 22, 2009

  • 93 Answers

SOURCE: Chevy 454 back fire

Ignition timing is set by the computer as long as the distributor pickup point is within reason.

It could be running too lean. One of the TBI injectors may be sticking or not working (wiring or computer problem), or fuel pressure could be low.

Posted on May 21, 2009

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1 Answer

I have a 93 gmc suburban it starts then dies if I put my foot on the gas to keep it running smoke comes out the muffler and when I take my foot off the gas it dies


Sounds like too much fuel, could be a leaking injector, faulty pressure regulator, or blockage of air intake. Did you replace the injectors and pressure regulator when you worked on the throttle body ? Can you see normal fuel spray on both injectors when the engine is running ?

Feb 07, 2015 | GMC Cars & Trucks

1 Answer

1995 chevy tahoe 4wd. 5.7 liter when cooled down, starting is normal . Right after, engine almost stalls but Idle air control kicks in and keeps it running. eventually it is idling but rouph. On...


If your vehicle has one, and I think it does, check your EGR system. If the egr valve is full of carbon, it can be partially open, creating a vacuum leak. If the egr valve solenoid is bad, it could be opening the valve at the wrong time, also creating a vacuum leak. Unplug the egr vacuum hose, plug the open end of the hose and start it and see what it does. A picture of the egr is below.
3_11_2017_5_29_14_am.jpg

Mar 11, 2017 | 1995 Chevrolet Tahoe

1 Answer

2000 grand cherokee laredo, 4.7 engine, very rough idle. all cylinders do not seem to be firing (not positive on this). have to play with gas to keep jeep running but has very rough idle.


If your engine light is on, please get a free scan at your local parts chain and send us the trouble codes. Recommend you start by removing the idle air control valve and cleaning the valve and passages as well as the throttle body with carb cleaner. Check the operation of the valve by hooking up the connector and turning on the key (do not start the car) while it is off the engine to see if it actuates. Please let me know if you have questions.

  1. Remove air duct and air resonator box at throttle body.
  2. Disconnect electrical connector from IAC motor (#4 in picture).
  3. Remove two mounting bolts (screws).
  4. Remove IAC motor from throttle body.
  5. clean valve, passages, and throttle body (#2)


jturcotte_292.gif

Nov 25, 2010 | Jeep Grand Cherokee Cars & Trucks

2 Answers

What causes the truck to stall when cut the ac on


it could be the iac(idle air control) not adjusting for the extra load on the engine,

May 17, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

After replacing battery truck will not remain running in idle in drive while air conditioning is on. will run if air conditioner is off


Cleaning out your throttle body will probably fix this. Sounds weird, but your throttle body builds up junk over time and if you disconnect your battery, your computer gets reset to stock settings and thinks it is getting the same amount of air as when it had a new (clean) throttle body. This messes up the airflow calculations, especially when the AC kicks in. Get a bottle of throttle body cleaner and be very careful cleaning out the back of the unit as it has some razor sharp edges. Reinstall and start the Trailblazer. Should be fine.

May 14, 2010 | 2004 Chevrolet TrailBlazer

3 Answers

Car dies when air compressor for heat or air is on


i had the same problem on a ford taurus, the compressor was siezed and put too much strain on the engine and it would stall out. hope this helps.

May 06, 2010 | 2002 Chevrolet TrailBlazer

2 Answers

Rebuilt all four carbs cleaned and replace needle and seat.Bike runs on choke at idle but will not excelerate,dies when you turn the throttle. feather the throttle past 3000 rpm and it will respond but...


the ajustment need to be set where they were originaly, needle position and mixture screw. the carbs are not suppling enofe fuel, was there any torn seals or diaphrams.

Mar 15, 2010 | 1985 Yamaha FJ 1100

1 Answer

Truck running funny sometimes and other times running perfect.


if the exhaust blows black when this issue starts,then probably a bad regulator,which the check engine light will come on then go off a few times telling you a code,oxygen sensors...if not,try replacing the throttle position sensor,its tough because its at the bottom of the throttle body,and the screws rust in and sometimes breaks,so the throttle body has to come off.you have to figure out where the gas smell is coming from at least,it could be blowing back into the air breather.also check the vacumn lines(green hose and red hose) on top for cracks.the red should be for the regulator

Dec 11, 2009 | 1990 Ford F150

1 Answer

Engine idle speed


Sounds like you idle air control valve is starting to mess up. You can actually take this off and clean it with throttle body cleaner and it should help get your idle back to normal. As is sounds the idle air control valve controls how fast/slow your car idles. It is located on the throttle body normally held on with a couple of screws. The throttle body is where the air duct hose coming from the air filter box ends at the engine block. Here is a picture of what you are looking for: a483326.jpg
Make sure that you clean the valve portion and not the electrical plug with the throttle body cleaner. Let it air dry or blow lightly with compressed air before putting it back on. Let me know if you have any more questions. Thanks for using FixYa!

Aug 01, 2009 | 1998 Ford Escort

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