good read about o2 sensor troubleshooting
08-01-2015, 09:24 PM
#1
good read about o2 sensor troubleshooting
Using fuel trims and downstream O2s to analyze intermittent misfire concerns | Search Autoparts
Keep this tool in your memory toolbox for the next intermittent misfire you’re faced with:
• A 15 percent or less change in trim and a downstream O2 above 650mV points to an ignition concern
• A 15 percent or more change in trim and a downstream O2 under 350mV points to a lack of fuel concern
Keep this tool in your memory toolbox for the next intermittent misfire you’re faced with:
• A 15 percent or less change in trim and a downstream O2 above 650mV points to an ignition concern
• A 15 percent or more change in trim and a downstream O2 under 350mV points to a lack of fuel concern
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