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No power to fuel pump (524, 543) new CCRM, new Fuel Pump
Thanks for the link to the diagrams, they came in handy. Turns out it was an internal problem with the relay, got lucky and found a "D" CCRM at a junk yard, plugged it in and sure enough, power to the fuel pump. Can't believe I had 2 bad CCRMs in a row. Guess they are selling crappy refurbs...- amclea01
- Post #10
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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No power to fuel pump (524, 543) new CCRM, new Fuel Pump
yeah, right CCRM. CCRM still was under warranty so took it in and replaced it with a new one hoping it was the problem, but no luck, same result. All other pins are getting correct power readings, just not getting any power at pin 5.- amclea01
- Post #6
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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No power to fuel pump (524, 543) new CCRM, new Fuel Pump
Still just CCRM click and no fuel pump prime, no power to pin 5 on CCRM or 19 of PCM.- amclea01
- Post #3
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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No power to fuel pump (524, 543) new CCRM, new Fuel Pump
First off - 94 MTX... About 8 months ago I had a problem where my car was dying every now and then and would give me issues starting. I was getting 524 & 543 codes, but every time I went to troubleshoot everything worked fine. I decided to replace the fuel pump since I had an extra...- amclea01
- Thread
- Replies: 10
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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Weird Hiccup
Mine started doing this a few months back. It started as an occasional thing then progressively became worse. CCRM ended up being the culprit. Are there any codes???- amclea01
- Post #5
- Forum: Gen 1 & 2 - Engine, Exhaust, Drive Line & AC syste
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190 LPH pump. need FPR upgrade?
Just curious, what problems may arise from using a 190/lph fuel pump without changing the fpr, or regulating the flow in some manner? I had a 190 on hand and used it about 3 weeks ago to replace my failing stock pump. I plan on replacing it in the spring with the proper one. So far I have not...- amclea01
- Post #16
- Forum: Tuning ~ Supercharger ~ Turbo ~ Nitrous Upgrades
