Briggs & Stratton BIG BLOCK EFI, Repair Manual

Page: 58 / 142

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