Spark Control System: Description: Notes

1986 Jeep Cherokee Chief, 4D Utility, 2.8 W, AutomaticSECTION Notes

Vehicles use spark control devices to assist ignition system in controlling exhaust emissions. They are Spark Control Temperature Override (CTO) valve, Non-Linear Vacuum Regulator (NLVR) valve, Forward Delay Valve, Reverse Delay Valve and on 4-cylinder and Federal V6 engines, Vacuum Spark Control Delay Valve. System application depends upon engine size, emissions category and vehicle model.

RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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