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sprinkles08
sprinkles08, ASE Certified Technician
Category: Audi
Satisfied Customers: 22143
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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I have a 97 audi a8 recently the alternator went out after

Customer Question

I have a 97 audi a8 recently the alternator went out after replacing the unit it will turn over but will not start
Submitted: 1 year ago.
Category: Audi
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

If the engine cranks but doesn't start you're most likely missing fuel or spark, but it could also be a cam timing issue, an exhaust restriction, or possibly contaminated fuel

Most issues that will cause a loss of spark will set a fault code so if no related codes are setting then odds are you do have spark.

The next step will be testing spark and fuel pressure. Has this been done?

Customer: replied 1 year ago.
Hello sorry for delay in responding, have check for both spark an fuel and have each it did generate a p121 fault code
Expert:  sprinkles08 replied 1 year ago.

It does have spark and proper fuel pressure?

Customer: replied 1 year ago.
it does have both spark an fuel pressure
Expert:  sprinkles08 replied 1 year ago.

What was the actual fuel pressure reading?

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