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1999
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Jetta (1W2) L4-2.0L (ABA)
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P1421
P1421
SAE
VAG
Description
P1421
17829
Sec. Air Inj. Valve Circ Short to Ground
Secondary Air Injection (AIR) Solenoid Valve
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Secondary Air Injection (AIR) valve, checking
Secondary Air Injection (AIR) Valve, Checking