Step 3 » GENERAL learning environment Category D (D, D1, Tb, Tv)

GENERAL Learning Environment Category D (D, D1, Tb, Tv)
Question 369 of 485

What indicates the irregular running of the engine at idle, with misfires in the exhaust and difficult starting, especially in winter?

A the presence of carbon deposit on the exhaust valve;
B loosening of the engine mounting buffers on the chassis;
C the exhaust muffler is perforated.

Explanation

Explanation text category D / driving tests drpciv:
The presence of carbon deposit on the exhaust valve does not allow the valve to close completely and the irregular running of the engine at idle appears, with misfires in the exhaust and difficult starting, especially in winter.
Correct answer: A
 
Driving tests drpciv category D explained.

0 Comments Leave a comment

Leave a comment

To be able to leave a comment, you must be logged in and have activated the PREMIUM plan! Go to the login or account register page

Choose theme: Classic | Duo

© Copyright Școala Rutieră 2026. All rights reserved.