Contour Enthusiasts Group Archives Forums General Troubleshooting Could this be a fuel pump?

Thanks Terry!

to add info to my earlier post:

It was acting up for about 2 days before the misfire tripped.

I had my OBD scanner on it capturing data when she went. I went out to intentionally push it hard because I knew it was running poor, and wanted to try and get a clear signal of what was wrong. Unfortunately the only thing that I saw was what my butt was already telling me - it was running really rough and had failed the continuos monito "EGR Open" test. That led me to block the EGR, which did not help.

Today on lunch I checked fuel pressure, swapped in my spare MAF sensor and dumped the PCM, which still did not help.

If I pull the fuel line at the return side of the rail and run the "all outputs on" test, I'll get a full 8 seconds of fuel pump on time. I don't recall for sure, but if our pumps run at like 40G/hr that would be about 10-12 oz's pumped. I guess that would be a quick check to definetively rule out the pump right?