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B0563 Battery Voltage High TSM/TSSM
B1004 Fuel Level Sending Unit Low Instruments
B1005 Fuel Level Sending Unit High/Open Instruments
B1006 Accessory Line Overvoltage Instruments
B1007 Ignition Line Overvoltage Instruments
B1008 Reset Switch Closed Instruments
B1131 Alarm Output Low TSM/TSSM
B1132 Alarm Output High TSM/TSSM
B1134 Starter Output High TSM/TSSM
B1135 Accelerometer Fault TSM/TSSM
B1151 Sidecar BAS Low TSM/TSSM
B1152 Sidecar BAS High TSM/TSSM
B1153 Sidecar BAS Out of Range TSM/TSSM
P0106 MAP Sensor Rate of Range Error Carb
P0107 Map Sensor Failed Open/Low Carb
P0107 Map Sensor Open/Low EFI
P0108 Map Sensor Failed High Carb
P0108 Map Sensor High EFI
P0112 IAT Sensor Voltage Low EFI
P0113 IAT Sensor Voltage Open/High EFI
P0117 ET Sensor Voltage Low EFI
P0118 ET Sensor Voltage Open/High EFI
P0122 TP Sensor Open/Low EFI
P0123 TP Sensor High EFI
P0261 Front Injector Open/Low EFI
P0262 Front Injector High EFI
P0263 Rear Injector Open/Low EFI
P0264 Rear Injector High EFI
P0373 CKP Sensor Intermittent Carb
P0373 CKP Sensor Intermittent EFI
P0374 CKP Sensor Not Detected Carb
P0374 CKP Sensor Synch Error EFI
P0501 VSS Low Carb
P0501 VSS Low EFI
P0502 VSS High/Open Carb
P0502 VSS High/Open EFI
P0505 Loss of Idle Sped Control EFI
P0562 Battery Voltage Low Carb
P0562 Battery Voltage Low EFI
P0563 Battery Voltage High Carb
P0563 Battery Voltage High EFI
P0602 Calibration Memory Error Carb
P0603 EEPROM Failure Carb
P0603 ECM EEPROM Error EFI
P0604 RAM Failure Carb
P0605 Program Memory Error Carb
P0605 ECM Flash Error EFI
P0607 Converter Error Carb
P1001 System Relay Coil Open/Low EFI
P1002 System relay Coil High/Shorted EFI
P1003 System relay Contacts Open EFI
P1004 System Relay Contacts Closed EFI
P1009 Incorrect Password Carb
P1009 Incorrect Password EFI
P1010 Missing Password Carb
P1010 Missing Password EFI
P1351 Front Ignition Open/Low Carb
P1351 Front Ignition Open/Low EFI
P1352 Front Ignition Coil High/Shorted Carb
P1352 Front Ignition Coil High/Shorted EFI
P1353 Front Cylinder No Combustion EFI
P1354 Rear Ignition Coil Open/Low Carb
P1354 Rear Ignition Coil Open/Low EFI
P1355 Rear Ignition Coil High/Shorted Carb
P1355 Rear Ignition Coil High/Shorted EFI
P1356 Rear Cylinder No Combustion EFI
P1357 Intermittent Secondary Front EFI
P1358 Intermittent Secondary Rear EFI
U1016 Loss of ICM/ECM Serial Data Instruments
U1016 Loss of ECM Serial Data, Vehicle Speed, Vehicle Inhibit Motion or Powertrain Security Status TSM/TSSM
U1064 Loss of TSM/TSSM Serial Data Carb
U1064 Loss of TSM/TSSM Serial Data EFI
U1064 Loss of TSM/TSSM Serial Data Instruments
U1097 Loss of Speedometer Serial data Carb
U1097 Loss of Speedometer Serial data EFI
U1097 Loss of Speedometer Serial data TSM/TSSM
U1255 Missing Message at Speedometer EFI
U1255 Serial Data Error/Missing Message EFI
U1255 Serial Data Error/Missing Message Instruments
U1255 Serial Data Error/Missing Message TSM/TSSM
U1300 Serial Data Low Carb
U1300 Serial Data Low EFI
U1300 Serial Data Low Instruments
U1300 Serial Data Low TSM/TSSM
U1301 Serial Data Open/High Carb
U1301 Serial Data Open/High EFI
U1301 Serial Data Open/High Instruments
U1301 Serial Data Open/High TSM/TSSM
AFR - Air Fuel Ratio
ATS - Air Temperature Sensor
BAS - Bank Angle Sensor
CCM - Cruise Control Module
CKP - Crank Position Sensor. The CKP generates an "AC signal" which is sent to the ECM where it is used to reference engine position (TDC) and speed.
DTC - Diagnostic Trouble Codes
ECM - Electronic Control Module. (The Computer) Computes the spark advance for proper ignition timing and fuel control based on sensor inputs
(from CKP, MAP & TP sensors) and controls the low-voltage circuits for the ignition coils and injectors.
The dwell time for the ignition coil is also calculated in the microprocessor and is dependent upon battery voltage. The programmed dwell feature gives adequate spark at all speeds.
ECT - Engine Coolant Temperature. Sensor also controls the cooling fan relay that provides 12 Vdc to the fans.
EFI - Electronic Fuel Injection
EFP - Electronic Fuel Pump
ET - Engine Temperature sensor
FI - Fuel Injectors
FPR - Fuel Pressure regulator
IAC - Idle Air Control actuator
IAT - Intake Air Temperature sensor
ISS - Ion Sensing System...detonation detection
MAP - manifold Absolute Pressure sensor. The MAP sensor monitors the intake manifold pressure (vacuum) and sends the information to the ECM.
The EMC then adjusts the spark and fuel-timing advance curves for optimum performance.
TP - Throttle Position Sensor
TSM/TSSM (Turn Signal/ Turn Signal Security Module)
VE - Volume Efficiency
VSS - Vehicle Speed Sensor. Used as an input for idle speed control
First you need to repair the fuel inlet properly. You likely have an air leak the way it is now. You can get a replacement inlet elbow at your local parts shop. Tecumpseh and briggs are a bit different but look very similar so be sure what you have before you go. grab hold of the brass with channel locks or vice grips and pull straight out to remove the old one. Put a dab of oil on the new one, align the way you want it to face and press in firmly. Do not twist or it will break again. Once the inlet is repaired properly then you can adjust the carb. The low speed jet is the one closest to the motor. The initial settings are 1 and a half turns out for both low and high.
The fuel line from the tank fits to the main fuel inlet on the carb ( the inlet nearest to the alloy pump cover secured by a single screw), the other conection on the carb has a pipe that conects to the shortest conection on the back of the primer ( suction side ) a pipe then goes from the longer conection on the primer ( pressure side ) back to the tank, it just pushes into the top of the tank. So to recap the primer pulls fuel from the carb, and dumps it back into the tank.
Usually the line with the filter on it that comes from the tank goes to carb. inlet first which is most likely close to the bottom side of the carb.nearest to the engine,then the outlet or return line on the carb.goes to the inlet side of the primer and the outlet side of the primer goes back to the tank. The primer draws fuel through the carb to the primer to the tank if its not? then correct the line connections until it does
1. the main fuel inlet line should have enough line to let the fuel filter set on the bottom of the tank and slide to the side when the trimmer is turned sideways.
2. The screw that holds the inlet needle lever pin on the metering side of the carb gets tightened down and is not adjustable. The adjustment is in the lever itself.
3. the throttle plate would go closest to the crankcase and the choke would be away.
4. The brass inlet that goes directly to the fuel pump side of the carb is the main fuel line ( with the fuel filter on the other end in the tank).
5. the low speed screw ( usually marked with an L or LO) is always the closest one to the crankcase. It should be 1 and 1/2 turns out from bottom ( of course you will likely need to adjust from the starting point- almost all poulans need 2 turns (( craftsman is a poulan)). If there are 2 screws the one furthest from the cranckcase od the high speed. Start at 1 and 1/4 turn out for that. To adjust hold throttle wide open and turn out till you hear that 2-stroke cackle. Turn the screws out for richer and in for leaner. Set the low speed first. Turning out and richening up the lo will drop the idle so you will likely need to turn in the idle screw half a turn for every half a turn you turn out the lo jet. Then adjust the hi for a cackle and good performance under load.
On the 2818 holley there is a calibrated elbow on drivers side of carb about centre of the main body.This connects to oil filler stand pipe in front of intake.Fresh air hose goes from air cleaner to back of block where road draft tube used to be before PCV came along.
The calibrated elbow serves as PCV metered orifice.Be sure flame arrester screen is inside of air cleaner on fresh air connection.
The smaller line is the supply to the carb. and should have the filter in the tank, with sufficient length to allow fuel pickup from the bottom of the tank.The larger line returns excess fuel and pressure to the top of the tank.By squeezing the bulb and watching the fuel lines you will be able to determine if you have them right on the carb.
Running well at high revs would indicate that all the fuel and air it needs are getting to the engine and you also have a good spark. Probably no problem with air and fuel filter ( if fitted) or sparkplugs.
Running hot, and bad idling are signs of a lean air fuel mixture. The engine is probably not getting enough fuel at low revs.
This could be caused by an air leak between the carburettors and the engine. Check that the vacuum line to the fuel tap is properly secured at both ends. It is behind the fuel line at the tap.
Get a a short length of hollow plastic tube and use it like a stethascope - put one end to your ear and move the other end around your carburettor mounts with your engine revs as low as you can get, and listen for any sucking noises that would indicate a leak. Look for cracks in the rubber inlets.
The other possibility is that there is an internal blockage in the idling jets or idling fuel circuit. This is where dirt tends to lodge because the jet dimensions and passageways are very fine - The high speed jets are much bigger and dirt often just passes straight through.
Try a little bit of choke while the engine is warm to see if you get a stronger low speed response. If so that would point to an internal blockage.