Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.
Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C0987, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C0987 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.
Difficulty Level (Soso)
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Repair Time (50 Min.)
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| Cost Prediction : $ 40-75 |
If your abs outlet valve coil lr circuit failure check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C0987 and engine control unit are in charge of monitoring a bunch of different abs outlet valve coil lr circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.
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C0987 is a kind of Chassis Trouble Code
Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise. |
You can view according C0987 DTC for your car model. We selected several models to see obd2 solutions click and view it.
| +C0987 Cadillac Model C | +C0987 Mg Rv14 | +C0987 Saturn Lw | +C0987 Tommy Kaira | +C0987 Volkswagen Derby |
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