1. The EST ignition system works in conjunction with the ECM processor unit, providing improved engine performance, fuel economy and reduced exhaust toxicity.
2. System diagnostics are performed at a car service center.
Information taken from the official website: CHEVYMAN.RU
Ignition system with electronic ignition timing control (EST system) (Chevrolet Tahoe 1)
The article was checked: Vladimir Romannikov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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