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Spark Plugs – Frequently Asked Questions

Since 1959, DENSO has been the world leading pioneer of OE quality spark plugs, and they remain one of DENSO’s main specialisms today.
20180315 f2 sparkplugfaqs

Lambda Sensor fault-finding helps deliver outstanding customer service

With emissions one of the biggest concerns for both motorists and the automotive industry, DENSO provides Best Practice advice on diagnosing faulty Lambda Sensors.
Lambda sensor plus packaging

Compressor oil and refrigerant: Mixing old and new

With the new R1234yf refrigerant reaching Europe this year, DENSO’s A/C experts explain which mixtures will work, and how to avoid causing costly damage by using incorrect oils.
Compressor cutaway

Ignition system troubleshooting tips to maximise lifetime

DENSO explains the key to effective combustion and how to accurately diagnose faults in ignition systems
Denso ignition coil graphic

DENSO tech tips can maximise winter spark plug sales

DENSO, one of the largest manufacturers of ignition products in the aftermarket, explains how good service can maximise spark plug sales during the winter period and beyond
Denso irsip irtt