2001 Focus ZX3 - Replacing Fuel Pump & Driver Module - Page 2 - Ford Focus Forum, Ford Focus ST Forum
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Old 02-17-2013, 06:49 PM   #11
larrydoood
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Join Date: Feb 2013
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Location: Stroud, OK
What I Drive: 2001 red ZX3

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My Fuel Issue

My first issue was the usual one-engine loosing power, shaking, flat spot when accelerating. I replaced the fuel filter, fuel delivery module (FDM) and PVC valve. This didn't fix the problem.

I parked the car and let it sit for several months, and now the engine starts, but immediately dies. The fuel pump primes when the key is turned on, but it's like it quits running when the key is in the "run" position.

I don't know if it is the fuel pump driver, it's circuit, the PCM or what

UPDATE:

I charged the battery, and now the car stays running, but of course, it still runs like it did before. The "check engine" light is on, so I'll just hook up a scan tool and read the codes. I know it needs O2 sensors already.

Last edited by larrydoood; 02-18-2013 at 08:05 PM.
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Old 07-31-2013, 09:31 AM   #12
Litsince
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Join Date: Jul 2013
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Location: Toledo, OH
What I Drive: Silver 03 focus 2.3l

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Need help weird p1235 code and more

Almost three years ago I bought an 03 focus hatchback 2.3. Two months in my air bag light started flashing, did that for a few days, then i started hearing a quick like tick tickticktick sound left side dashboard. when this would happen my head lights would flicker with the tick, radio crackle and turn sound off, sometimes around second gear there would be a drop in power, and finally throw an engine code-p1235. Fuel pump control mod. Had it replaced. Fixed the issues for about about a month, keeps coming back. From where I bought the car I had a three year warranty, I had, new battery, two fuel pump control mods, new battery cables, new car ground, new fuse panel, tested the fuel pump, sent to ford for two weeks to be worked on by 20 year ford guy, was fine for about 6 months and now my warranty is gone. Started to days ago, again. Their are all the previous things going on,but now there is a tick that happens every so many seconds in my dash, even with the key just turned forward. Couple of times, I've went to start my car and nothing, no dash lights, no open door ding nothing. Please help
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