What's The Problem Spider Injectors?

[neosoul]

I've been having problems starting my tahoe lately, it acts like it want to start but won't completely turn over. Pulled one of the plugs and it was wet with fuel. I cleaned it and even put in new plugs and still the same problem. The same plug was wet with fuel. So I removed the plug and the engine turned over. What could be the problem? Does this sound like a bad spider injector?

 

[BRUTUS_T_HOG]

Yes. When the fuel pressure regulator fails it leaks fuel and fills up the intake. Along with running very rich and like crap depending on how badly it leaks.

I have seen them run fine and only start hard from flooding and I have seen them billowing black smoke and glowing red cats.

 

[Donnie Yukonie]

Make sure you get the updated Part , the older ones were plastic and melted the new ones are mostly metal from what I remember

 

[BRUTUS_T_HOG]

The updated part eliminates the poppet injectors and replaces them with port fuel injectors.

 

[SunlitComet]

Yes. When the fuel pressure regulator fails it leaks fuel and fills up the intake. Along with running very rich and like crap depending on how badly it leaks.

I have seen them run fine and only start hard from flooding and I have seen them billowing black smoke and glowing red cats.

Uh that answer is not just applicable to the old spider assembly that can happen to a new updated one too.

neo, the problem was the old design had parts that could get clogged or get stuck open. gm addressed it with a new redesigned unit that had proved to be more reliable. problem included cel lights for other end results and misfire issues.

 

[BRUTUS_T_HOG]

Uh that answer is not just applicable to the old spider assembly that can happen to a new updated one too.

neo, the problem was the old design had parts that could get clogged or get stuck open. gm addressed it with a new redesigned unit that had proved to be more reliable. problem included cel lights for other end results and misfire issues.

Yes I know. I was confirming that fuel leaking into the cylinders is a symptom of a failed spider. And yes I know the regulator can be replaced separately, but I like to replace the whole spider because the small plastic lines tend to break or are already broken by the time you get to them.

 

[neosoul]

Thanks guys, I appreciate all the responses and will get that ordered.