A low coolant level can lead to air entering the cooling system and causing airlocks, which may result in an overheating engine. If you notice that your Volvo’s coolant level is low, it’s essential to top it off as soon as possible. ![]() I will continue to monitor to see if the CEL relights. Common Causes of Volvo Engine Coolant Level Low Low Coolant Level. ![]() I almost wish it were something else rather than my inattention to detail.Īnyway, there's where I am. I've read many cases of not tightening the gas cap but still feel kind of dumb. Shame on me for not carefully checking the coolant level in a long while. A quick check shows an absolutely bone-dry engine compartment and coolant level at the bottom of the plastic reservoir. I did a code reset & the Check Engine Light was turned off when I switched off the car & then restarted it. This morning I turn on the LR4 and I get a low coolant warning. I suspect that the gas cap was not secured but could not verify it. Will send a message to Alex Pepper to find out whether others had the same problem. Version 1.07 did connect (shows you how long ago I had actually hooked it up). Decided to go way back & install version 1.07 (have not tested versions in-between, though). The first thing I learned was that version 1.18 would not connect - it kept getting a busy signal. Finally found enough time in the Holiday schedule to do some testing with my Vehicle Explorer. To check your coolant levels, open the hood and find the coolant reservoir. Coolant helps keep your engine at the right temperature, so if it’s low, it could trigger the check engine light. One possibility is that your coolant levels are low. With the OBDII software I was showing P codes 172 and 175 bank 1 and 2 too rich.Ĭlick to expand.Hi once again. If your check engine light is on, there could be a number of reasons why. 174 is bank 2 too lean and 175 is bank 2 too rich. Click the link to the right of each one to learn more. 171 is bank 1 too lean and 172 is bank 1 too rich.īMW code 145 has P codes P0174 or P0175. The following are warning lights and indicators found in vehicles built by Mercedes Benz. With the OBDII software I can get the P codes which narrow it down more.īMW code 144 has P codes P0171 or P0172. If you convert the 90 and 91 hex numbers to decimal you end up with the BMW codes 144 and 145. Fuel control, Cyl #1-3 and Cyl 4-6 = bank 1 and 2. The BMW list has the decimal equivalent of the Peake hexadecimal code along with the P codes associated with it.īack home I had faults 90 and 91 using the Peake tool. With the software you will get the P codes. You we need a list of the BMW codes for your car. If there are air bubbles in the system, they can cause pressure fluctuations and ultimately. If the warning light is coming on intermittently, it may be because the fluid levels are low but still within specifications. If there are any faults you will see the P codes. Make sure that the engine coolant level is correct, and that there are no leaks. Once it connects click on codes and then request. It actually gives you much more info than the Peake tool once you learn how to use it.
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