Vauxhall Astra H / Signum / Vectra C - Engine jolts, the engine control lamp may illuminate | HELLA
Vauxhall
Astra H / Signum / Vectra C
Model year: 2004–2006
Engine: Z19DT / Z19DTH / Z19DTL / Z19DTJ
Engine jolts, the engine control lamp may illuminate
Error code: P0201–P0204
Indicative of:
Injection valve 1–4, malfunction in electric circuit.
If the issue listed above occurs in combination with the indicated error codes, an engine control unit software update should first be installed.
If this does not produce any improvement, the plug connectors should be checked and, as required, replaced by an improved connector cable set with a cable cross-section of 2.5 mm².
The vehicle manufacturer has already addressed the issue. A modified cable set is installed from engine identification number Z19DTH17000444.
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