A leaking intake manifold gasket or can cause the Check Engine light to come on with the codes P0300-P0304, P0133 and P0171. Replacing the intake manifold gasket may cost $120-$280 in a repair shop. The service bulletin EG045-07 describes the repair....
Codes P0171, P0174, P0455 and P0441. Within the last couple of months I did change the spark plugs myself, and so I replaced the intake plenum gasket, had all kinds of hoses off, etc. I did take the throttle body off and forgot to buy a new seal so I did leave it there. ...
Corroded battery terminals can cause a variety of electrical problems, including a no-start. A bad gas cap can cause EVAP codes (e.g. P0441). Most of these problems are common in all cars. Toyota has issued the ZE2 Warranty Enhancement Program to extend coverage for a leaking engine oil...
Car makes a weird noise when starting up. It is cold but it never used to make this. Also water pump was changed recently. No stored codes other then a p0455, p0441. car is 2009 camry with 268000km or 166000 miles. https://photos.app.goo.gl/XmfraZ1BYrtethR3A ...