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SVTPerformance's Chain of Restaurants
The Distillery
Anyone seen black "goo" build up on their injectors from E85?
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<blockquote data-quote="MalcolmV8" data-source="post: 15203957" data-attributes="member: 8854"><p>Anyone dealt with E85 and black "goo" on their injectors? Quick background. The last 3 days I've been wracking my brain trying to figure out why my car goes lean when I go WOT. It went from bad to worse. Not only does it go lean but it misses and shudders real bad. I have to drive the car mostly normal. If I get any kind of aggressive with the throttle it goes lean and bucks and misses like crazy. I thought I got a bad a tank of gas, drove it all out and filled up E85 from a different location, I replaced plugs, did a compression test, have double/triple checked for vacuum leaks or other issues. Data logging the car shows perfect fuel pressure, injector duty cycle increase as I step on the gas, fuel pressure increases perfectly, MAF counts go up perfectly as expected yet A/F on the wideband goes lean and the car shudders. My only conclusion was the injectors are simply not giving the fuel they are supposed to. So I pulled a rail and sure enough I see this black substance on them I've read about. They are ID1000s and Injector Dynamics has a cleaning and flow testing service but it's $200 plus shipping. Do fuel injector cleaners work for this? I've never had this E85 black goo before.</p><p></p><p><img src="https://lh3.googleusercontent.com/-XMiKl2m-1hQ/VsVWRw8fj5I/AAAAAAAAGsE/-lKGyc5iN3w/s720-Ic42/IMG_7178-crop.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="MalcolmV8, post: 15203957, member: 8854"] Anyone dealt with E85 and black "goo" on their injectors? Quick background. The last 3 days I've been wracking my brain trying to figure out why my car goes lean when I go WOT. It went from bad to worse. Not only does it go lean but it misses and shudders real bad. I have to drive the car mostly normal. If I get any kind of aggressive with the throttle it goes lean and bucks and misses like crazy. I thought I got a bad a tank of gas, drove it all out and filled up E85 from a different location, I replaced plugs, did a compression test, have double/triple checked for vacuum leaks or other issues. Data logging the car shows perfect fuel pressure, injector duty cycle increase as I step on the gas, fuel pressure increases perfectly, MAF counts go up perfectly as expected yet A/F on the wideband goes lean and the car shudders. My only conclusion was the injectors are simply not giving the fuel they are supposed to. So I pulled a rail and sure enough I see this black substance on them I've read about. They are ID1000s and Injector Dynamics has a cleaning and flow testing service but it's $200 plus shipping. Do fuel injector cleaners work for this? I've never had this E85 black goo before. [IMG]https://lh3.googleusercontent.com/-XMiKl2m-1hQ/VsVWRw8fj5I/AAAAAAAAGsE/-lKGyc5iN3w/s720-Ic42/IMG_7178-crop.jpg[/IMG] [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
Anyone seen black "goo" build up on their injectors from E85?
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