My car starts but I cannot keep it running?  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Truggy >> My car starts but I cannot keep it running?
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My car starts but I cannot keep it running? - 6/28/2008 8:51:09 PM   
rcman6


 

Posts: 5
Joined: 3/13/2008
From: yukon, OK, USA
Status: offline 		i changed from 20% fuel to 30% fuel and now my car wont start. I changed the glow plug and went back to factory settings and it still wont run what do i do?
       Post #: 1

RE: My car starts but I cannot keep it running? - 6/29/2008 3:31:43 AM   
jerodp71


 

Posts: 6
Joined: 5/25/2008
From: New Orleans, LA, USA
Status: offline 		If it wont stay running try leaning your hsn then your lsn and finally adjust your idle. Hope this helps! Good luck.

(in reply to rcman6)
       Post #: 2

RE: My car starts but I cannot keep it running? - 6/29/2008 3:44:09 AM   
rebelracer246


 

Posts: 499
Joined: 4/22/2008
From: springfield, OH, USA
Status: offline 		take your engine back to the factory settings and tune from there you will be able to get it quicker that way

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(in reply to jerodp71)
       Post #: 3

RE: My car starts but I cannot keep it running? - 6/29/2008 1:58:34 PM   
TeeKuang


 

Posts: 24
Joined: 7/11/2007
From: , MALAYSIA
Status: offline 		I have a question for you,
1. How old is your engine? how many liters of fuel has been through?
2. Can you turn your engine flywheel without effort?
3. What engine are u running? you need to shim shim it up?
4. is the fuel fresh?


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(in reply to rebelracer246)
       Post #: 4

RE: My car starts but I cannot keep it running? - 6/30/2008 8:52:08 PM   
rcman6


 

Posts: 5
Joined: 3/13/2008
From: yukon, OK, USA
Status: offline 		new fuel is in it and it is an 8ight t.about 2 months old about 1 1/2 gallons of 20% and about a tank of 30%

(in reply to TeeKuang)
       Post #: 5

RE: My car starts but I cannot keep it running? - 7/1/2008 11:04:00 PM   
motoman827


 

Posts: 41
Joined: 8/23/2007
From: B, NJ, USA
Status: offline 		Pull the glow plug out and connect your igniter to it and make sure it is glowing bright orange. If it is OK, go back to your settings that you used with the 20% and try the 20% to make sure nothing is wrong with your engine. If it starts, then you know the needles need to be adjusted or the head may need a different shim. Find out from the manufacturer if you need to change the head shim when using 30% fuel.

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(in reply to rcman6)
       Post #: 6

RE: My car starts but I cannot keep it running? - 7/1/2008 11:38:29 PM   
rcman6


 

Posts: 5
Joined: 3/13/2008
From: yukon, OK, USA
Status: offline 		well i found out that my glow starter was out.

(in reply to motoman827)
       Post #: 7

RE: My car starts but I cannot keep it running? - 7/2/2008 2:31:33 AM   
rcman6


 

Posts: 5
Joined: 3/13/2008
From: yukon, OK, USA
Status: offline 		now my car is hard to start it started for a second and when it was sitting there the wheels wer turning really fast and then it just quit and now when i try to start it it with the roto start the roto will jerk i thot it was fluded but it is not.

(in reply to rcman6)
       Post #: 8

RE: My car starts but I cannot keep it running? - 7/2/2008 3:29:43 AM   
motoman827


 

Posts: 41
Joined: 8/23/2007
From: B, NJ, USA
Status: offline 		You need to go back when it was working with the 20% fuel. If it's sitting there and the wheels are turning fast, either the idle screw is turned too high, the controller throttle trim is too high, or the carb is adjusted lean.

Adjust the idle screw first with the throttle fully closed. There should be about .08mm space. Then adjust the LSN and HSN screws to factory setting which should be on the rich side. When you turn the controller and car on and the throttle trim is in the neutral position, the carb should be closed to the .08 setting. Now you can open the carb slightly with the throttle trim just to get it started. After it runs for about 20 - 30 seconds, close the controller throttle trim back to its neutral setting. If the idle is too high or too low after it warms up, adjust the idle screw to get a good idle. Adjust your HSN first, then LSN to get it running good.

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(in reply to rcman6)
       Post #: 9

RE: My car starts but I cannot keep it running? - 7/2/2008 3:59:53 AM   
youwish16



Posts: 1058
Joined: 6/8/2006
From: Milledgeville, GA, USA
Status: offline 		what motor is it? did you shim it for 30%? if the motor is originally shimmed for 20%, you'll have to add another shim.

if it is shimmed for 20% and you dont add another shim before using 30%, you rish screwing the motor up

< Message edited by youwish16 -- 7/2/2008 4:00:41 AM >

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(in reply to motoman827)
       Post #: 10

RE: My car starts but I cannot keep it running? - 7/2/2008 7:01:25 AM   
rcman6


 

Posts: 5
Joined: 3/13/2008
From: yukon, OK, USA
Status: offline 		which shim should i get?

(in reply to youwish16)
       Post #: 11

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