TECHNICAL INFORMATION TIP

Reference Number(s): AUD0192AP, Date of Issue:

POOR COLD ENG PERFORM: CIS FUEL SYSTEM CONTROL FUSE

YEAR(S): 1984 & Later

MANUFACTURER: Audi

MODEL(S): 4000, 5000

ISSUE & TIP

Check the number 24 CIS fuel system control fuse when diagnosing a stumbling or poor cold engine performance problem on 1984 and later Audi 4000 and 5000 models. This fuse may be mistaken for a spare fuse and may be removed by a customer who doesn't know any better.

Removing the fuse will cause the same symptoms as a bad temperature sensor. So remember to check the fuse first, it could save you a lot of time.

Courtesy of Import Service Magazine

with thanks to:

Gary Thistlewood

Precision Import Repair

Macon, Georgia

REFERENCE NUMBER

AUD0192AP

NOTE: This information has been obtained from sources generally believed to be reliable. Use your own judgment before relying on this data. Neither the suppliers of these Technical Information Tips, nor lemon-25 Repair Information Company, LLC, guarantees or assumes responsibility for data accuracy or completeness, nor is liability assumed by the suppliers of these Technical Information Tips or lemon-25 Repair Information Company, LLC, for any claims or damages resulting from the use of this information.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Poor Cold Eng Perform: Cis Fuel System Control Fuse (AUD0192AP)