VitzFix

A/C weak when standing still in summer

Symptoms
A/C cools while driving but not at signals or in traffic jams
Likely cause
In hot weather the compressor of 1000 cc cars can cut out or work weakly at idle. If it is bad even when moving, the compressor or gas may be faulty
Fix
Check condenser and fan. If needed, recover gas and recharge by weight (430–440 g HFC-134a). Then check the compressor
Applies to
SCP10 1SZ-FE
Confidence
low (owner thread)

Sources

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Guidance only – confirm with a mechanic before repairs. All common problems