CorollaFix

1.3 needs throttle to start when cold

Symptoms
Hard cold start; the engine only starts with some throttle
Likely cause
Owners found a camshaft sensor code and a faulty thermostat.
Fix
Read the codes with a scanner. Check the camshaft position sensor and the thermostat.
Applies to
XLi / GLi 1.3
Related fault codes
P0340, P0128
Confidence
low

Sources

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Where the parts are · Warning lights · Fault codes · Maintenance

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