FAM II 2.4D gasoline engine malfunctions Chevrolet Captiva 1

General engine diagnostics
STATE Probable Cause elimination Difficult start (at cold start of the engine) Ignition system malfunction The fuse has blown. Replace fuse. Burnt out spark...

Checking the engine oil level
Check the level or condition of the engine oil. Top up or change oil if necessary. Check engine oil level within normal operating temperature as follows: 1....

Checking the engine oil and oil filter levels
When checking the level or condition of the engine oil, change the engine oil if necessary (including oil filter) in the following way: 1. Stop the engine and...

Checking the accessory drive belt
After checking for fastening strength, absence of cracks, wear and tension of the accessory drive belt, replace the belt if necessary. Inspect, check: The...

Checking spark plugs
Attention! Under no circumstances should spark plug gaps be adjusted. If the gap is not within specifications, replace the spark plug. After checking the gap...

Checking the air filter and fuel system
Checking the air filter element If the air filter element is dirty, the efficiency of the engine will be impaired. Be sure to frequently check and replace with...

Engine Diagnostic Methods
Start diagnosing the mechanical part of the engine with its inspection in disassembled form. Reviewing the provided description and system operation...

Compression pressure test
1. Make sure the vehicle battery is in good condition and fully charged. 2. Operate the vehicle while the engine is running at normal operating temperature. 3....

Oil pressure check
1. When the vehicle is on a hill, an adequate reduction in drain time, 2-3 minutes, is allowed when measured for a low engine oil level. Add engine oil of the...

Oil Leak Diagnosis
Important: Most fluid leaks can be repaired primarily by visually inspecting and locating the leak, repairing or replacing the related component, and improving...

Crankcase ventilation system — inspection and diagnostics
Results of incorrect operation Clogged holes or hose of the positive crankcase ventilation system (PVC) may lead to the following: Rough idle Engine stall or...

Initial ignition skip
Initial misfire without internal engine noise Cause elimination High oil pressure. Check oil pressure. See "Oil pressure check" in this section. Repair or...

Engine noise at startup
Engine noise on start-up lasting only a few seconds Cause elimination Wrong engine oil or oil with the wrong viscosity has been used. Fill with appropriate...

Engine does not start — crankshaft does not turn
Cause elimination Stuck accessory drive system component. Remove accessory drive belts. Turn the crankshaft by hand, holding the pulley or flywheel....

Coolant entered the combustion chamber
Definition: Excessive white smoke and/or coolant smell from the exhaust pipe may indicate the presence of coolant in the combustion chamber. Low coolant...

Coolant has entered the engine oil
Definition: Foamy or discolored oil, or an overfilled engine may indicate coolant has entered the crankcase. Low coolant levels, an inefficient cooling fan, or...

Diagnosis of the drive belt for the presence of a whistling sound during operation
Definition: An accessory drive belt whistle can be described as a high-pitched sound that is heard when the drive belt or pulley rotates. The whistling sound...

Diagnosis of the drive belt for the presence of a squealing sound during operation
Definition: Accessory drive belt squeal can be defined as a loud squealing sound caused by the drive belt slipping. Squealing rarely occurs on multi-ribbed...

Diagnostics of the drive belt for the presence of a whining sound during operation
Definition: Accessory drive belt whine can be defined as a high-pitched, continuous sound that is most likely caused by a failed bearing on one of the...

Diagnostics of the drive belt for the presence of a rumbling sound during operation
Definition: Accessory drive belt rumble can be defined as a low-pitched thud, thump, or thud heard only at or above idle speed, once per revolution of the...

Diagnosis of the drive belt for vibration
Definition: Drive belt vibration can be defined as bouncing, shaking or rattling. Drive belt vibration usually manifests itself as follows: Vibration depends...

Drive Belt Slip Diagnosis
Definition: The drive belt is slipping off the pulley or it may not have been routed correctly over the pulleys. Diagnostic Information If the drive belt has...

Drive Belt Diagnosis for Excessive Wear
Definition: Wear on the outer ribs of the drive belt due to improper installation. Diagnostic Information Excessive drive belt wear is usually caused by...