P0128 nissan

P code - engine running cold.

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.

P0128 nissan

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If there is not much or a huge delta, the t-stat is probably bad.

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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 Frontier 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.

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They are cheap and connect to you phone or tablet for display, but you need to buy one with Bluetooth. Could it be the Coolant Temperature Sensor, or could the Tstat have gone bad in just 3 months? So I decided against a flush and just bought Peak Nissan Greeen antfreeze Took the opportunity to change the belt idler and tensioner. Ran the truck for a good 20 minutes this time mostly at rpms still jacked up. I've had parts store thermostats fail out of the box on more than one occasion. 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. Mine is still serviceable so will get it in the future. Chat with like-minded Frontier owners. Started truck and watched the temp on the dash and my OBD reader. This is in line with when the thermostat opens. Thread Tools. I started to use my OBD II reader and read the live coolant temperature data just to learn what is going on. In minutes it should warm up to deg FSM p. Next morning the overflow was a bit over max, cool engine not running. I drained the system, installed a new OEM thermostat, and refilled with new antifreeze.

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.

I took the rubber cap off over by the heater core and placed it back on when fluid came out. I am going to take measurements with an infrared temperature gun to read temperature differences between upper and lower radiator hose. You are correct, about the temp delta between the upper hot! This goes into the lower part of the engine bypassign the thermostat. Quick Reply: P code - engine running cold. I did not follow the instructions that came with the funnel as I read too many comments that this will not work on the Frontier. Ran the truck for a good 20 minutes this time mostly at rpms still jacked up. No coolant pressure? View Public Profile. Log in. Your thoughts are most appreciated. JavaScript is disabled. P code - engine running cold. It keeps it under