Generac Power Systems GP Series Diagnostic Repair Manual page 4

Test 31 – Troubleshooting Throttle Position, Tem-
perature and Manifold Air Pressure
Sensor (TTMAP)
(Fault codes 6-2, 6-3, 6-4, 6-5, 6-6) ........ 49
Test 32 – Troubleshooting Ignition System Faults
(Fault codes 4-1, 4-2 Cylinder 1 / 4-3,
4-4 Cylinder 2) ........................................ 50
Test 33 – Troubleshooting Oxygen Sensor (OS)
System Faults (Fault Codes 2-1, 2-2) ..... 50
Test 34 – Troubleshooting Electronic Throttle
Control Valve (ETC) (Fault codes 5-3,
5-4, 5-5, 5-6) ........................................... 51
Section 6 Disassembly ...............................................53
Section 7 Electrical Data ............................................71
Introduction .............................................................71
Electrical Formulas .................................................79
Diagnostic Repair Manual
Table of Contents
iv