P2097 Toyota Sequoia

P2097 is a generic OBD II code, which means that it has the same meaning for the Toyota Sequoia as it would any other vehicle.  It specifically indicates that your Sequoia detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more

Toyota Sequoia U0073: Meaning, Symptoms, + Diagnosis

U0073 Definition: Control Module Communication Bus”A” Off U0073 is a fairly common trouble code.  It is generic, so it has the same meaning for your Toyota Sequoia as it would any other.  This code appears when something has interrupted the communication between two of your Sequoia’s control modules. The most common causes of U0073 are … Read more

Toyota Sequoia P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Toyota Sequoia’s third (from the exhaust manifold) “bank 2” downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   Having this code does not necessarily mean that the vehicle is running lean (although it can, but … Read more

Toyota Sequoia P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Toyota Sequoia is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Toyota Sequoia P2018:  Meaning + Diagnosis

P2018 is a generic diagnostic trouble code (DTC) that indicates an issue with your Toyota Sequoia’s intake manifold runner position sensor/valve (from here on out, we will be referring to this sensor by its common abbreviation of IMRC). P2018 Definition: IMRC – Switch Circuit Intermittent (Bank 1) IMRC The IMRC’s job is to help your Sequoia’s … Read more

P0355-Toyota-Sequoia

P0355 is a generic OBD II diagnostic code that indicates an issue with the ignition coil “E”. Specifically with the primary or secondary wiring circuits. If your Toyota Sequoia has thrown this code, it may be accompanied by P0305.  P0355 is a relatively straightforward diagnosis and is typically caused by a bad coil pack or wiring harness issue, although … Read more

Toyota Sequoia P2198: Meaning, Symptoms, Causes + Diagnosis

P2198 is a generic diagnostic trouble code that indicates that your Toyota Sequoia’s B2S1 O2 sensor signal is stuck rich. It does not necessarily mean that the vehicle itself is running rich (although it very well could). DTC P2198 is most likely caused by a bad oxygen sensor, although there are many potential secondary causes. … Read more