Why does my Mazda3 CX-7 make a rattling noise?
When the engine was warmed up, the Mazda3 CX-7 may exhibit a knocking/rattling noise from the front timing cover and/or valve (cylinder head) cover at engine speeds below 2000 rpm – this noise was caused by excessive stretching of the timing chain. To fix, the timing chain needed to be replaced.
Why does my fuel pump make a loud whine?
Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a problem. There may not be enough fuel, a damaged pump, or contaminated fuel inside the system.
Are there any recalls on Mazda ER CX 7?
Recalls: Mazda CX-7 2006-12 Mazda ER CX-7: Takata airbag recall In July 2017, a recall was issued for Mazda ER CX-7 vehicles. Over time, the passenger-side airbag inflator in these vehicles may absorb moisture in environments of high absolute humidity.
Which is a symptom of a fuel pump problem?
Another symptom of a problem with the fuel pump is engine performance issues. As the fuel pump is what supplies the vehicle with the fuel required for combustion to occur, any issues with it can affect the engine’s fuel supply and cause issues.
When the engine was warmed up, the Mazda3 CX-7 may exhibit a knocking/rattling noise from the front timing cover and/or valve (cylinder head) cover at engine speeds below 2000 rpm – this noise was caused by excessive stretching of the timing chain. To fix, the timing chain needed to be replaced.
How to test fuel pump on Mazda 2?
HOW TO TEST FUEL PUMP ON MAZDA 2 3 5 6 CX-3 CX-5 CX-7 CX-9. GOOD OR BAD FUEL PUMP If playback doesn’t begin shortly, try restarting your device.
Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a problem. There may not be enough fuel, a damaged pump, or contaminated fuel inside the system.
Are there any recalls on the Mazda CX 7?
In February 2009, Mazda USA issued service bulletin 01-007/09 for 2007-09 model year Mazda CX-7 vehicles because of variable idle speed and, in some rare cases, stalling after the vehicle had stopped. The service bulletin attributed this behaviour to the accumulation of carbon deposits inside the throttle body which caused air flow to decrease.