Motor failure: caused by irregular combustion In the motor, engine failure will also be due to lousy ignition timing, incorrect spark plugs, minimal octane gas or elevated engine running temperature. Signs of engine failure can consist of knocking, squealing, grinding and smoke coming through the motor. I contacted 'we get https://danteefztp.blogolenta.com/36257974/an-unbiased-view-of-we-buy-broken-vans