October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Difficult To Start

Difficult To Start, Cranks Normal

Check starter signal circuit. See STARTER SIGNAL CIRCUIT under COMPUTERIZED ENGINE CONTROLS in appropriate SYSTEM & COMPONENT TESTING article. For GX470 and LX470 see DTC P0617 in appropriate SELF-DIAGNOSTICS article.
Check fuel pump control circuit. On all models, see FUEL PUMP CONTROL CIRCUIT under FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article.
Check engine compression. See BASIC DIAGNOSTIC PROCEDURES article.

Difficult To Start When Cold

Check starter signal circuit. See STARTER SIGNAL CIRCUIT under COMPUTERIZED ENGINE CONTROLS in appropriate SYSTEM & COMPONENT TESTING article. For GX470 and LX470 see DTC P0617 in appropriate SELF-DIAGNOSTICS article.
Check fuel pump control circuit. On all models , see FUEL PUMP CONTROL CIRCUIT under FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article.

Difficult To Start When Hot

Check starter signal circuit. See STARTER SIGNAL CIRCUIT under COMPUTERIZED ENGINE CONTROLS in appropriate SYSTEM & COMPONENT TESTING article. For GX470 and LX470 see DTC P0617 in appropriate SELF-DIAGNOSTICS article.
Check fuel pump control circuit. On all models, see FUEL PUMP CONTROL CIRCUIT under FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article.