What should I do after swapping out burnt ecm with used one from same applicatio

What is your question?

Prior to this I had no spark.now I have spark but seems like no fuel now.relay was also replaced

Justins starship in Houston TX

Jun 16, 2015

1 Reply

Popular Answer

Christian Brotherson Jun 16, 2015

Hmm...hard to tell. I suspect that the ECM may need to be reflashed/updated to be fully recognized. Do you have a tech tool to see what the ECM is doing?

Justins starship

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What are the best Hyundai repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Hyundai Sonata. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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1 Reply

Popular Answer

Christian Brotherson Jun 16, 2015

Hmm...hard to tell. I suspect that the ECM may need to be reflashed/updated to be fully recognized. Do you have a tech tool to see what the ECM is doing?

Justins starship

What are the best Hyundai repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Hyundai Sonata. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

Yes,I now have fuel flow...car was 1/2 submerged Frm recent Houston floods...I will change filter and svs inn tomorrow and lord willing it will start...Hyundai built good cars so I am confident on reviving it.reflash/relearn unless brand new,will automatically be done once ignition is achieved.thank you for your response.