when my tank gets about half full i get acceleration problems like it is not getting gas?

What is your question?

i fill it up and good until half tank or less

How long has your 2009 Mazda 3 had this problem?

months

Mar 15, 2018

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RepairPal Certified shops can diagnose and repair your 2009 Mazda 3. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

when my tank gets about half full i get acceleration problems like it is not getting gas?

What is your question?

i fill it up and good until half tank or less

How long has your 2009 Mazda 3 had this problem?

months

ddemarra in Santa Rosa Beach FL

Mar 15, 2018

1 Reply

Popular Answer

DaveJMon Mar 16, 2018

Hello, it is possible that there could be a concern in the evaporative emissions system, but it's totally a guess. Nothing replaces a good diagnostic test while the problem is occurring. A fuel pressure test should be performed also, but it could even be a different engine performance issue related to spark or air intake as well.

ddemarraon Mar 17, 2018

Hi,I replaced the Purge Valve and cleaned the Mass Air Flow Sensor but it still happens unless I keep the tank at least 3/4s full. Could it be the fuel pump or its hose that sucks air when it gas gets lower. Thanks, Dean

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Popular Answer

What are the best Mazda repair shops?

RepairPal Certified shops can diagnose and repair your 2009 Mazda 3. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.