P0128 nissan

P code - engine running cold, p0128 nissan. Thread Tools. I received a P code while driving my car for about an hour when the outside temperature was 35 degrees F.

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.

P0128 nissan

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My next project. I am going to take measurements with an infrared temperature gun to read temperature differences between upper and lower radiator hose, 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. 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.

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. The most common symptom of a P trouble code in a Nissan Pathfinder is an illuminated malfunction indicator lamp MIL.

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View iTrader Profile. Drained out about 2 gallons - I did not pull any engine plugs. You can check this with your hands - the difference will be pretty noticeable. Good to know. Be sure to turn your heat to high. Sign up. And both caps and the drain plug while I was at it. Have had a p code for about a month, bought a Nissan t-stat and finally put it in this weekend. Could it be the Coolant Temperature Sensor, or could the Tstat have gone bad in just 3 months? I also replace the 2 big hoses, and the small one on the thermostat, I would have done more but

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.

Only when I am idling will the coolant temperature ever climb to over degrees. Chat with like-minded Frontier owners. For a better experience, please enable JavaScript in your browser before proceeding. Only ran the truck for a short time maybe minutes. You are correct, about the temp delta between the upper hot! Oh yeah I had heat pretty much immediately, 85 here in NC today. Not uncommon. I took the rubber cap off over by the heater core and placed it back on when fluid came out. Topped off the overflow, a bit over max and closed up all the caps. The code is set when it takes longer than X time to go from Y cold temp to Z hot temp. So you will not have a check engine light, but if you read "pending codes" on your OBD reader you could see it.