Trailblazer injector symptoms. Dec 23, 2024 · Look out for common symptoms of bad fuel injectors like decreased performance, starting difficulties, increased fuel consumption, rough idling, engine knocking, and permanent combustion misfires. You might also notice difficulty in starting the engine or even a sudden decrease in performance, especially when accelerating. . i'm thinking about sending it into a company that cleans them using the "off-car" method and charges about $120 for them ($18/per injector). Sep 25, 2008 · I have fuel injectors that are really dirty and need to be cleaned ASAP. Some common symptoms include misfiring cylinders, a check engine warning light on your dashboard, a vibrating engine, and a bad fuel odor at idle. When the fuel injector isn't delivering an adequate fuel supply to a cylinder, it disrupts the combustion process, which can cause the engine to misfire or stall. Symptoms: You may feel a noticeable shake or stumble in the vehicle, especially when idling or accelerating. Cause: If an injector is leaking fuel or delivering too much fuel (over-injecting), it can cause the engine to burn more fuel than necessary. Neglecting dirty fuel injectors can result in unburned fuel entering the particle filter or catalytic converter, causing damage. Jul 17, 2019 · When dealing with a Chevy Trailblazer, it is essential to be aware of the symptoms of bad fuel injectors. akcnc dcok jjioh ptoaa imllft raopntvl mxxwl euzt sbjtebh hvpcn