Briggs & Stratton VANGUARD 810 EFI Repair Manual page 58

54
DTC P0336 Crankshaft Position (CKP) Sensor
Step
1. Disconnect and reconnect CKP sensor con-
nector.
2. Turn Ignition ON, Engine OFF.
1
3. Clear codes.
4. Turn Ignition OFF, and then back ON.
5. Does DTC return?
1. Turn Ignition OFF.
2. Check CKP sensor air gap.
3. Is CKP sensor air gap set at 0.030 inches
2
(0.76 mm)?
NOTE: If air gap is too large, engine will likely
backfi re during cranking.
1. Obtain two Briggs & Stratton Spark Testers
(Part No. 19368).
2. Install spark testers in line with high tension
leads and spark plugs.
3
3. Look for spark in tester windows while
cranking engine.
4. Is spark observed?
1. Turn Ignition OFF.
4
2. Check valve lash adjustment.
3. Is valve lash within specifi cation?
1. Replace CKP sensor.
5
2. Is problem corrected?
Spark Tester (Part No. 19368).
Figure 2-43
Non-Scan Diagnostics
Action
Section 2: Troubleshooting DTCs
Yes
Go to step 2. Problem corrected.
Go to step 3. Adjust as necessary.
Repair or replace spark
Go to step 4. plugs and/or high tension
Go to step 5. Adjust as necessary.
-
No
lead/ignition coil.
Repair or replace
EFI wire harness.