Question about 2004 Suzuki Forenza
Yes it does sound like a fueling issue, but could also be vacuum sensor or airflow sensor.
If you haven't replaced the fuel filter in 3 years, then it may be about time you did. It is also one of the least expencive parts, and even a DIY job if access is possible, but you have to depressurise the fuel line before changing.
You can test the output of the fuel pump through the filter with a little care and a short length of pipe into a fuel can. It can as you say be a faulty fuel pump - but you will only know by testing it.
Posted on Jun 25, 2008
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