2025/2026 Exam Questions with 100%
Correct Answers | Latest Update
4. while cleaning a pleated paper-type air filter element, the air gun should
be held:
away from the outside of the air filter element
directly against the outside of the air filter element
directly against the inside of the air filter element
away from the inside of the air filter element - 🧠 ANSWER ✔✔away from
the inside of the air filter element
~when cleaning a pleated paper-type air filter element using compressed
air, hold the air gun tip about 6 inches from the inside of the filter element
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,-air should be blown from the inside out to remove particles, and air forced
into the filter are too short of a distance may damage the filter.
9. all of the following statements regarding manifold heat control valves are
true EXCEPT:
- a manifold heat control valve improves fuel vaporization in the intake
manifold especially when the engine is cold
- a manifold heat control valve stuck in the closed position causes a loss of
engine power
- a manifold heat control valve stuck in the open position may cause an
acceleration stumble
- a manifold heat control valve stuck in the closed position reduces intake
manifold temperature - 🧠 ANSWER ✔✔a manifold heat control valve stuck
in the closed position reduces intake manifold temp
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
, ~the exhaust manifold on carbureted and throttle body injected engines
may be equipped with a manifold heat control valve. if the manifold heat
control valve is stuck open or fails to close when the engine is cold, the
engine may stumble during acceleration. if the valve is stuck in the closed
position, engine power will be reduced and the intake manifold will
overheat.
10. A says an intake manifold vacuum leak may cause a cylinder misfire
with the engine idling. B says an intake manifold vacuum leak may cause a
cylinder misfire during hard acceleration...
A
B
Both
Neither - 🧠 ANSWER ✔✔A only
an intake manifold vacuum leak at idle may cause a cylinder misfire
condition. an intake manifold vacuum leak will not cause a misfire condition
during hard acceleration when the vacuum is lower. manifold vacuum is
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3