Air leak? O2 sensor? Bad idle when cold
- Thread starter gaz1250
- Start date
Typically it’s just been ok and idling good, but trims are short trim 0.0 long -10.2
Typically it’s just been ok and idling good, but trims are short trim 0.0 long -10.2
I have had issues recently and it would idle ok then drop and struggle and then pick up again. I had no faults though. My st trim would hover around 0 then drift to - 25. The cl would.change to ol and indicate fault for a brief second then idle ok for a bit. Long term trim was -10. Rinse and repeat the above
I unplugged the second o2 sensor and idle settled down. I have since replaced this and idle is now smooth and problem has not repeated. Cant drive car just yet to confirm hesitancy has gone.
Some threads on the site also point to second o2 sensor causing issues and showing as sensor 1 on scanner.
If it happens agin it might be worth unplugging this as a test
I unplugged the second o2 sensor and idle settled down. I have since replaced this and idle is now smooth and problem has not repeated. Cant drive car just yet to confirm hesitancy has gone.
Some threads on the site also point to second o2 sensor causing issues and showing as sensor 1 on scanner.
If it happens agin it might be worth unplugging this as a test
K12 upstream and downstream O2 sensor replacement
Hi, first post here. My other car, a 56 plate K12 with 40k miles is running rough and showing an error with O2 Bank 1. I see from internet posts that usually both sensors go. How easy are they to replace? I'm reasonably confident and have a good tool kit, but my other car and previous cars have...
www.micra.org.uk
22mm spanner. Be carefull not to strip thread. Be really carefull not to cross thread replacement. Got mine from car parts 4 less. 710700435 denso version for 53.89
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