5.33
ENG_UD1416_1
Anomalies de fonctionnement (X44 - Renault)ENG_NU_773-1_X44_Renault_5
OPERATING FAULTS (continued)
On the road POSSIBLE CAUSES WHAT TO DO
– Abnormal white smoke from the ex-
haust.
Mechanical fault: damaged cylinder head
gasket.
Stop the engine.
Contact a RENAULT Dealer.
– Smoke under the bonnet.
Coolant circuit pipe fault. Stop, contact a RENAULT Dealer.
The oil pressure warning light comes on:
– while turning or braking The level is too low. Top up the engine oil (refer to the
information on the “Engine oil level” in
Section 4).
– at idle speed
Low oil pressure. Consult the nearest RENAULT Dealer.
– is slow to go out or remains lit on ac-
celeration.
Loss of oil pressure. Stop. Contact a RENAULT Dealer.
– The engine lacks power. Clogged air filter.
Replace the cartridge.
Fuel supply fault. Check the fuel level.
Faulty spark plugs, incorrect electrode
gaps.
Contact a RENAULT Dealer.
– Unstable idle speed or the engine
stalls.
Poor compression (spark plugs, ignition,
air leak).
Contact a RENAULT Dealer.
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