10.
CHECK EVAPORATIVE EMISSIONS (EVAP) SYSTEM
• Disconnect the canister control valve (1) hose.
• Place a stiff piece of paper over the hose end,
start engine.
Does vacuum hold the paper?
Yes
>> Check for a vacuum leak in the EVAP system (See Evaporative Emissions in Section 03 Electronic
Engine Controls) and refer to EVAP control circuit relative to the DTC.
No
>> Go to the next step.
11.
CHECK ENGINE CYLINDER COMPRESSION
• Check engine cylinder compression.
• Compression should not be less than 1,000 kPa, and not vary more than 25 percent from cylinder to cylinder.
Is engine compression correct?
Yes
>> Go to the next step.
No
>> Repair as necessary.
12.
ADDITIONAL CHECKS
• Check the following for possible additional causes:
− Driveline
− Transaxle
− Charging system
− A/C system (for surge with A/C on)
Are the checks OK?
Yes
>> See Diagnostic Help for additional information.
No
>> Repair as necessary.
ELECTRONIC ENGINE CONTROLS - ENGINE SYMPTOM DIAGNOSIS
PZSMD030011
03–196
Chery Automobile Co., Ltd.
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