Rick's Free Auto Repair Advice

Posts Tagged: contamination

Low coolant light on

If you own a GM vehicle and have a low coolant light on but the coolant level is fine, this may be the fix. You have a low coolant light on and you’ve checked the coolant level. It’s right on the money. Suspecting a faulty sensor, you decide to replace it. STOP. If your vehicle has the 3.1 or 3.4 engine and you’ve had the intake manifold gaskets replaced, or if you’ve added sealer to the system, you may have contamination on the sensor. To confirm that this is the … Read More


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