| ignition source | 2.76 | No ignition source was found. | ||
| ignition key | 2.24 | She pulled the ignition key. | ||
| ignition system | 2.04 | Check the ignition system. | ||
| ignition switch | 1.71 | No keys were in the ignition switch. | ||
| ignition device | 0.79 | No other ignition device was necessary. | ||
| ignition problem | 0.72 | Ignition problems. | ||
| ignition module | 0.53 | The part in question is an ignition module that regulates current to the sparkplugs. | ||
| ignition timing | 0.46 | Ignition timing? |