Just love my car and can't afford to go to a repair shop with this. We ran the codes and came back with 24 and 31 but those 2 sensors have been replaced. Actually, all of the sensors have been replaced. It's not getting any fire to the rear 2 cylinders.....help !
Any ideas? It's a 90 with a 2.2 liter, fuel injected but not turbo.

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