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Old 09-09-2018, 03:04 AM   #5
marsheng
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Join Date: Feb 2018
Location: New Zealand
Posts: 59
Quote:
Originally Posted by MWS View Post
change your plugs .
Plugs have the easiest time at low RPM. Although the CR may be quoted at 11:1 at low throttle openings the actual CR is much lower. Plugs fail at higher RPM and high throttle openings when the actual CR is higher and therefor more compressed air/fuel between the plug gap making it harder to jump the gap.

Probably more like the MAP or airflow sensor not set correctly at the bottom RPM range.

Does it improve when the car warms ups ?
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