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98 A4. ENGINE PROBLEMS - 1998 Audi A4

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What kind of problems?

Posted on Jul 03, 2011


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1 Answer

I need the Spark plug firing order for 98 A4 2.8

An AHA engine? 153625 will be the firing order!

Oct 03, 2014 | 1998 Audi A4

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I need a engine wiring diagram 98 audi a4 quattro 2.8 v6?

hi try rosstech .com for wiring info ,all,depends on wat part you are rewiring

May 18, 2014 | 1998 Audi A4

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98 audi a4 chugging/lose of power/engine cuts out?

Sounds like bad gas or fuel filter , good luck.

Mar 27, 2011 | 1998 Audi A4

1 Answer

Serp.belt route diagram for 98 audi a4 quattro 2.8

The serpentine belt routing diagram for 1998 Audi A4 Quattro 2.8 liters V6 engine:


CS = Crankshaft
F = Fan pulley
Gen = Alternator
T = Tensioner pulley
AC = Air Conditioning
PAS = Power Assisted Steering

Nov 26, 2010 | 1998 Audi A4

1 Answer

I have a 98 A4 AUDI and need to replace engine oil and hydraulic oil...any recommendations on what brands/types of oil to use?

Just about everyone thinks that engine and and hydraulic oil differ from brand to brand. There is very little difference from brand to brand. Look up or have your parts supplier look up what type you should use and then buy the cheapest buy.

No manufacturer is going to put **** out and have to pay out for whatever liability.

Jun 20, 2010 | 1998 Audi A4

1 Answer

I replaced the engine in my 98 a4 quattro, got it put together and the engine wont turn over. Are there any theft lockout devices programmed into the ecu to keep it from firing? if so, can they be bypassed...

I don't think there is a immobilizer on that car. Even if there was it has nothing to do with an engine swap. Bad or missing ground to the engine block or miss plugged electrical connector. Are you getting voltage to the starter? How about the starter relay?

Feb 05, 2010 | 1998 Audi A4

1 Answer

I have an 98 audi a4 with the v6 2.8l engine an my a/c fan motor dosn't dosent want to turn on an its a new motor it was just bout bran new whats the problem?

plug it direct with the battery and see if it turns, if it does the fan is ok. Your control pannel may be faulty.

Nov 06, 2009 | 1998 Audi A4

1 Answer

A4 warm start up problem

It is very likely that you are having an air leak. Any uncontrolled air getting into the intake side can cause this problem. Audi is well known for vacuum problems. I was the southern technical specialist for Audi for 6 years. If you have a vacuum test pump you can do some testing yourself but to be honest there are so many little hoses on that engine that you most likely not get to them all. I would suggest you go to your mechanic and see if they can perform a smoke test on the system. Many shops have a tool that can inject smoke (like a smoke machine at the club) into the system and locate the leak rather fast then.

Nov 01, 2008 | 1998 Audi A4

2 Answers

98 a4 1.8t problem

What is the engine temperature during this? You state that it starts out OK then develops this problem later.

When you have problems starting it is this after running it or after it sits like all night and is dead cold?

Oct 15, 2008 | 1998 Audi A4

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