P0128 nissan

P code - engine running cold, p0128 nissan. Thread Tools. I received a P0128 nissan code while driving my car for about an hour when the outside temperature was 35 degrees F. Upon searching the forums, I realized that it is either a faulty engine coolant sensor or a thermostat stuck open.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Radiator and Thermostat are both 3 months old. Coolant level looks good. It seems like the temp gauge doesn't quite get up to where it usually does halfway , but its not at the bottom cold.

P0128 nissan

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This code can appear as soon as you start your vehicle, or it can also occur while driving. P is most often caused by a thermostat that is stuck open. The most common symptom of a P trouble code in a Nissan Pathfinder is an illuminated malfunction indicator lamp MIL. Other symptoms may include poor engine performance and a decrease in fuel economy. Here are the most common causes of P If it is easy to pinch the hose, the engine coolant will typically flow through it. If you pinch your hose, stay aware of the belted accessories and the fan. The fan can come on at any time.

P0128 nissan

This code can appear as soon as you start your vehicle, or it can also occur while driving. P is most often caused by a thermostat that is stuck open. Other symptoms may include poor engine performance and a decrease in fuel economy. Here are the most common causes of P If it is easy to pinch the hose, the engine coolant will typically flow through it. If you pinch your hose, stay aware of the belted accessories and the fan. The fan can come on at any time. The mechanic will also inspect all electrical connections to ensure they are in good condition and not corroded or loose. If they are, repair the harness and verify that it clears the code. Replacing the thermostat in the Nissan Maxima is relatively easy and should take no more than an hour or two.

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You are correct, about the temp delta between the upper hot! Recommended Communities. So when I needed to replace the water pump on my own due to seepage a couple of months ago, I decided to install a new thermostat Autozone at that time. It keeps it under Checked for leaks and let it cool. To fill I put the 1st gallon maybe less in the raditor. Radiator and Thermostat are both 3 months old. Advanced Search. The code is set when it takes longer than X time to go from Y cold temp to Z hot temp. Posting Quick Reply - Please Wait. Good to know. Find More Posts by Prophecy

This code can appear as soon as you start your vehicle, or it can also occur while driving. P is most often caused by a thermostat that is stuck open. Other symptoms may include poor engine performance and a decrease in fuel economy.

So when I needed to replace the water pump on my own due to seepage a couple of months ago, I decided to install a new thermostat Autozone at that time. Recommended Communities. I've seen it happen personally working on a coworker's car. Drained out about 2 gallons - I did not pull any engine plugs. Note P only triggers the check engine light after it occurs 2x within some time period. I drained the system, installed a new OEM thermostat, and refilled with new antifreeze. Explore Our Forums. Interesting it displayed "no data" for the coolant temp for quite a while. Grumpy Shihtzu Replies. I replaced my thermostat less than a year ago when I did some timing chain work. So hopefully, that is the end of this car drama.