A4 (B5 Platform) Discussion - Engine Code - I have an early 1999 A4 2.8L and wondering where to locate or what the engine code is. Thanks in advance. Enter the car make and car model for which you want to see an overview of engine codes. In the overview, you will then get a list of the engine codes with the years of construction and engine capacity. If there is a match with other car makes and car models, these will also be shown in the overview. Please note that the information provided In this case I selected 8D, for the 1995 through 2001 B5 chassis Audi A4--only one of a multitude of Volkswagens and Audis that the VCDS can scan. The Auto-Scan function checks through all of the car's electronic controllers, one by one, and returns any fault codes that it sees. It takes several minutes to do the complete Auto-Scan. What engine is in Audi A4 (B5) 1.9 TDI 90? The Audi A4 (B5) 1.9 TDI 90 has a Inline 4, Diesel engine with 1896 cm3 / 115.7 cu-in capacity. How many horsepower (hp) does a 1999 Audi A4 (B5) 1.9 TDI 90 have? The 1999 Audi A4 (B5) 1.9 TDI 90 has 90 PS / 89 bhp / 66 kW. How much does a Audi A4 (B5) 1.9 TDI 90 weighs? The Audi A4 (B5) 1.9 TDI 90 - Audi A4 B5, B6 and B7. 2.4 V6 Despite the emergence of an increasingly strong turbo-turbo four-seater, Audi's fans still prefer atmospheric petrol V6, especially in earlier versions. This sticker have severall information regarding your car (engine code, gearbox code, paint code, trim code and all the option codes). The engine code is the first information on the 4th line (highlighted in red in the image on the left). Audi 4 Cylinder Turbo Engine Codes Audi A4 2000 AEB, ATW, AWM 1.8 Liter Models: You'll need to remove the decorative engine cover. The engine code is found on the drivers side front on the engine block. You may also find the engine code on a sticker attached to the cylinder head. However, over time the numbers become very hard to read. Engines covered. 1.8L turbo gasoline (engine codes: AEB, ATW, AWM) 2.8L gasoline (engine codes: AFC, AHA, ATQ) Transmissions covered: 5-speed Manual (transmission codes: 012, 01W, 01A) 5-speed Automatic (transmission code 01V) Technical highlights: Covers Audi A4 sedan and A4 Avant (wagon) models, including quattro versions. Audi Forums A4 Series A4/S4 forum (B5 Chassis) A3steve Registered User Joined Sep 8, 2006 Messages 131 Reaction score 1 Points 16 Location NULL Jul 30, 2010 #1 Hi Folks, I've a had a search and cant find the info, so sorry if this has been asked before. I believe the TDI came in 3 variants - 90,110,115 1.8 Liter 4-Cyl. 5V Turbo (engine codes: AEB, ATW, AWM) 1.8 Liter 4-Cyl. 5V Turbo (engine code: AMU, ATC) 1.8 Liter 4-Cyl. 5V Turbo (engine code: AMB) 2.0 Liter 4-Cyl. 4V Turbo (engine code: BPG) 2.0 Liter 4-Cyl. 5V (engine code: ABA) 2.7 Liter V6 5V BiTurbo (engine code: APB) 2.8 Liter V6 5V (engine codes: AHA, ATQ) iIPIvaj.