Pontiac Solstice P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Pontiac Solstice it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Pontiac Solstice 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 Pontiac Solstice as it would any other.  This code appears when something has interrupted the communication between two of your Solstice’s control modules. The most common causes of U0073 are … Read more

Pontiac Solstice P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Pontiac Solstice’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

Pontiac Solstice P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Pontiac Solstice 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

Pontiac Solstice P2018:  Meaning + Diagnosis

P2018 is a generic diagnostic trouble code (DTC) that indicates an issue with your Pontiac Solstice’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 Solstice’s … Read more

P0355-Pontiac-Solstice

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 Pontiac Solstice 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

Pontiac Solstice P2198: Meaning, Symptoms, Causes + Diagnosis

P2198 is a generic diagnostic trouble code that indicates that your Pontiac Solstice’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

Pontiac Solstice P2138:  Symptoms, Meaning, Causes + Diagnosis

P2138 is a generic powertrain code that can affect your Pontiac Solstice’s “drive by wire” throttle system.  It means that your Solstice’s “D” and “E” throttle position sensors do not agree with one another on how much far the throttle has been opened.  They should have a similar voltage output.  In this case, they do … Read more