Where are the coolant sensors on a 1990 Chevy c1500?

I started on a project 1990 Chevy C1500 project a year ago. Pulled motor, swapped for 4 bolt main block and built a roller setup to put back in. I was going through the bags of parts, that I labeled, and found both sensors.

Why does my coolant go from 180 to 210?

Problem continues except now it goes from 180 swings up to 210, then back below 180, then to 180 and repeates this all the time regardless of how long I drive. Anyone have any other ideas? New engine, new radiator, new theromstat, new temp sender…what could it be? Have you bled the air out of the system? That sounds like it might be the problem.

What should the coolant temp be on my Chevy?

I though the thermostat might be broken, so I replaced it with a 180 (was a 195). Problem continues except now it goes from 180 swings up to 210, then back below 180, then to 180 and repeates this all the time regardless of how long I drive. Anyone have any other ideas?

Is the coolant temp sensor on my Silverado bad?

So, I have a 1994 Chevy Silverado 1500 2wd with a 350 cu in TBI with a bad coolent temp sensor. The old one kept reading 160, so my gas mileage sucked. For the life of me I can not find a replacement one that is an exact replacement.

Is there a 2 pin coolant temp sensor?

I needed the single-pin one for the coolant temp gauge on the side of the block, but they gave me the 2 pin one for the intake. I was able to source the sensor from autozone once I realized the mistake. So, I have a 1994 Chevy Silverado 1500 2wd with a 350 cu in TBI with a bad coolent temp sensor.

How does a PassLock work on a 98 Chevy?

On the 98 the passlock is a module in the column and the key switch goes inside it. There is a contact inside this module that reacts to a change in magnetic field when the key switch is turned. There are three wires that come off the top of the module.

What happens when the oxygen sensor goes bad on a Chevy Silverado?

Your Silverado can exhibit symptoms when the Oxygen sensor has gone bad. Or, it may exhibit none at all. Often enough, the only sign of the problem at all is the service engine soon light being on. The good news is, if you end up discovering that the oxygen sensor is bad, they really aren’t that expensive to replace.

Where can I buy a Chevy k1500 oxygen sensor?

10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only Whether you use your Chevrolet K1500 to transport your family or heavy supplies, it needs to maintain its reliability and performance . Keep your heavy hauler running smoothly with a Chevrolet K1500 oxygen sensor replacement from AutoZone to boost fuel economy and engine efficiency.

Why does the Check Engine light come on on a Chevy Silverado?

Oxygen sensors can change the way that your Silverado’s engine runs. Most of the time, the check engine light will come on. It’s a good thing that the check engine light would come on, as there is more than one oxygen sensor, and they can be difficult to get to and test.

How does the O2 sensor work on a truck?

O2 sensors measure the oxygen levels in your truck’s exhaust gas before and after passing through the catalytic converter. By measuring the amount of oxygen leftover after engine combustion, the truck’s on-board computer can adjust the air-to-fuel ratio accordingly.