Symptoms of a bad 02 sensor on 94ss
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Symptoms of a bad 02 sensor on 94ss
What are some of the simptoms of a bad 02 sensor? I'm having some issues in boost and the car is sucking down gas. I'm getting roughly 20mpg. Could it be a bad sensor? I also have some stuttering/hesitation when boosting, it's not fuel cut it almost feels like something is holding the car back. Replaced the engine last year and this one feels just like the old one. Can't remember if I replaced any sensors or not when I swapped.
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Re: Symptoms of a bad 02 sensor on 94ss
Did you verify all your grounds are connected properly without corrosion? Bad ground connections can cause lots of symptoms.
1999 Forester S 5MT 200,000 miles and counting.
1990 Legacy L Sedan AWD 5MT Retired at 369,471 Miles
1990 Legacy L Sedan AWD 5MT Retired at 369,471 Miles
Re: Symptoms of a bad 02 sensor on 94ss
I'm going to look into that. Where are most of the grounds?
Re: Symptoms of a bad 02 sensor on 94ss
Here are some of the wiring diagrams for the 92 Legacy, but should be the same for the 94. Not everything is in there, but the main stuff about the engine wiring is.
http://main.experiencetherave.com/subar ... lectrical)
The ECU ground is on the back of the intake manifold on the driver's side down near the injector fuel rail. I'd check that first.
http://main.experiencetherave.com/subar ... lectrical)
The ECU ground is on the back of the intake manifold on the driver's side down near the injector fuel rail. I'd check that first.
Josh
surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT
If you need to get a hold of me please email me rather then pm
surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT
If you need to get a hold of me please email me rather then pm