11 Symptoms of a Bad and Clogged Fuel Injector | How to Diagnose and Clean Fuel Injectors

In this Video we're going to talk about how to spot when your fuel injector gets bad, what that does to your car, and some tips to avoid shelling out for unnecessary fixes on it.
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[@lionelconradie1542]

1.8 1zz corrolla head job done new injectors but sputtering of exhaust and rich fuel smell out of exhaust what can be the problem

[@fixit3879]

Try the basics like replacing spark plugs and air filter. Hope that helps.

[@natewood8124]

I believe the o rings on mine are going bad, 13 Rogue with 296k. On occasion it will sputter and jerk and then I can smell a light fuel smell. My fuel economy will drop until I pull over and let idle briefly. It only happens at 70 mph when the pressure is higher on the seals I think. Ideas?

[@fixit3879]

Honestly sounds like unburned fuel due to spark plugs not igniting. Have you replaced the spark plugs lately? I would try and replace the spark plugs, with 296K miles I am positive they need to be replaced if they have not been replaced in the last 80-100K miles. It is also a cheaper fix too. You might also consider pouring 1 can of SeaFoam in the gas tank to clean things up. Hope this helps, good luck!

[@natewood8124]

@@fixit3879 yes, I have replaced the plugs with oe plugs probably within 75k, but I will check them. I already bought the injectors so I will replace them anyhow. I get codes p0137, p0138, p0139 and p0171 in random orders. Thank you for the reply and suggestion.