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22/05/2021 8:54 am
Topic starter
Corrolla 2009
1nxbu40e69z039516
1.8L L4 DOHC 16V
Automatic
209,000 miles
#4 misfire
replaced all 4 spark plugs
SAME ERROR CODE
swapped #1 & 4 coils
SAME ERROR CODE
What is next to check ?
THANKS!
THANKS!
2 Answers
2
22/05/2021 10:42 am
I would check the injector function - you could switch the injectors just like the coils to check them. If that isn't the problem, do a compression check.
thanks, will have to figure out where the injectors are and swap.
2
22/05/2021 12:32 pm
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