Thiswarning light can also come on if there is a problem with the oil pressure sensor or the oil temperature sensor. If this is the case, you will need to have the vehicle checked by a qualified technician. Audi A4 ABS Warning Light. The Audi A4 is equipped with an antilock braking system (ABS). AudiS4/A4/A4 Cab (B7 Chassis) . 1; 2; Next. 1 of 2 Go to page Oil in butput some more in. left overnight and checked the oil again no problems,but again once above 2k revs the Oil sensor kicked in. Oil pressure warning problem. terrya4; Feb 21, 2010; Replies 2 Views 2K. Feb 22, 2010. Wrath. Forums. Thisis the low engine oil level warning and as the light is intermittent it may be a faulty sensor but I would get it quickly checked. There is also a red warning light which is the low engine oil pressure. If this comes on switch off the engine straight away and get it diagnosed. Whatever get it checked out. HiOil level warning comes on my BRE engined A4 unless oil a little (or a lot !) above max (this is oil level warning not oil pressure). Wife has discovered that overfilling it by about 0.5 L turns warning off for a while and constantly trying to stop her doing just that. From the number of posts this seems a common problem and often down to dodgy £85 Oilis at the max level on display, and with a dipstick. My check engine light came on around the same time. Codes are P2279 intake air sys leak and P2187 sys too lean at idle bank 1. Its a 2010 A5 Cab Quattro with 88,000 miles. engine was rebuilt at 50,000 miles due to oil consumption. Hasn't lost a drop of oil since. Ifyour A4’s sensor has gone bad, it’ll shoot a false low pressure reading to the ECM. One of the first things that people do when they have the low oil pressure light AudiA4 2013 2.0 TDI 177HP, Low oil pressure. This problem seems to be quite common for this engine. The most common case is after the oil temperature reaches above 105 C Apparentlya common problem with the Audi is oil sludge. It plugs the pickup tube and causes the low oil pressure light to come on. Have an Audi mechanic test your oil pressure and see if it falls within specs. If it doesn't, he will have to drop the oil pan and replace the oil pump and tube. If you are having an oil sludge issue, if not fixed .

audi a4 oil pressure sensor problems