Problem
Engine won't start
Engine won't turn
over
Bad reaction and
response from
engine
Car isn't easy to
control
Steering does not
work properly
Handling problems
Steering feels
sluggish or vague
The car does not
drive straight
Things To Check
1. Fuel tank is empty.
2. Bad glowplug or dead igniter
battery.
3. Fuel lines, fuel filter, air cleaner,
or muffler is clogged.
4. Engine is flooded due to
over-priming.
5. Carburetor is not adjusted properly.
1. Fuel tank is empty.
2. Fuel lines, fuel filter, air cleaner,
or muffler is clogged.
3. Carburetor is not adjusted
properly.
4. Engine has overheated.
1. Carburetor is not adjusted
properly.
2. Fuel lines, fuel filter, air cleaner,
or muffler is clogged
3. Low fuel pressure from muffler.
1. Weak transmitter and /or
receiver batteries.
2. Low reception from radio
antennas.
3. Servo linkages not
adjusted properly.
1. Weak transmitter and/or
receiver batteries.
2. Bent linkages or driveshafts.
3. Loose steering components.
4. Drivetrain damage.
1. Shocks are not working
properly.
2. Suspension is binding.
3. Improper tires.
1. Suspension is binding.
2. Damaged steering servo.
1. Suspension is binding.
2. Steering trim is off-center.
3. Wheels are loose.
4. Damaged steering servo.
Solution
1. Fill fuel tank with fuel.
2. Replace glowplug or recharge/replace
igniter battery.
3. Clean or replace clogged parts.
4. Remove glowplug, turn car over to discharge
fuel from cylinder. Test glowplug and replace
if defective.
5. Set idle and full/slow needle adjusting
screw to standard starting position.
1. Fill fuel tank with fuel.
2. Clean or replace clogged parts.
3. Re-adjust idle and full/slow needle
adjusting screw.
4. Allow engine to thoroughly cool down
and open main needle adjusting screw
turn richer (CCW).
1. Re-adjust full/slow needle adjusting
screw.
2. Clean or replace clogged parts.
3. Properly install pressure line between
muffler and fuel tank.
1. Recharge or replace batteries
2. Fully extend transmitter and receiver
antennas
3. Move servo to neutral then re-adjust
linkage(s).
1. Recharge or replace batteries.
2. Check tightness of steering components
and tighten if necessary.
3. Replace damaged parts.
1. Rebuild the shocks and replace worn or
broken parts.
2. Make sure suspension moves freely.
Replace worn or broken parts.
3. Use different tires.
1. Make sure suspension moves freely,
and replace worn or broken parts.
2. Check the steering servo for
damage and wear, and
replace/repair if necessary.
1. Make sure suspension moves freely,
and replace worn or broken parts.
2. Adjust steering trim until car drives
straight.
3. Check the make sure the wheel nuts
are properly tightened.
4. Check the steering servo for damage
and wear, and replace/repair if
necessary.