Toyota Corolla Repair Manual: Random/multiple cylinder misfire detected

Inspection procedure

Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform ac ...

Circuit description

When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in high concentrations. If this hc concentration is high enough, there could be an increase in exhaust emissions levels. H ...

Other materials:

Selecting a folder
■ Selecting a folder Press ( ) or ( ) to select the desired folder. ■ Selecting a folder and file from a folder list 1 Press . A folder list will be displayed. 2 Turn and press to select a folder and a file. To return to the previous display, press (BACK). ■ Return ...

Inspection procedure
Hint Advanced timing over (valve timing is out of specified range) P0011 Retarded timing over (valve timing is out of specified range) P0012 If dtc p0011 or p0012 is displayed, check the vvt system circuit. Read freeze frame data using the hand–held tester or ...

Inspection procedure
Hint: perform the troubleshooting of dtc p0335 first. If no trouble is found, troubleshoot the engine mechanical systems. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When tr ...