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Old 06-04-2019, 07:41 PM   #1
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04 ZX5 dying issue (wall of text)

first post and figure id ask the gurus about this problem I'm having. Got an 04 ZX5 Zetec 2.0 a few months ago that ran and drove fine(ish). did timing belt and that cleared up a lot of the no power issues it was having, so was good to drive for awhile. next issue was the calipers were locking up on me every so often then one night it almost completely locked up. swapped them out and got the pads and rotors replaced as well. had problems bleeding the calipers and the only way i could get fluid through them was to have the GF put it in 1st, rev to about 3k and hit the brakes. engine would shake pretty violently but nothing was broken and isnt loud like the exhaust split. after awhile of driving it would basically hit a fuel cut on the highway but catch itself and still run. only did this between 65-75 mph on partial throttle. figure the fuel pump was going out so replaced the pump, filter, and hose between them (that was fun trying to find that piece). pump that was in it was from an older focus, 02 and earlier. took about a week or 2 to get the hose and during that time the tank was on the ground, covered with the bubble wrap from the new pump on the filler inlet. put everything back together, test drive, car would occasionally cut but only during right turns (lost a lot of fuel trying to pour into container). put about $10 in, drive back, put in neutral coasting down hill and it died. let it sit a few days, go to drive it to work and anytime i put throttle to it it would completely die and was having an extremely difficult time starting back up. let it sit for the day and had zero problem starting and moving up the hill. week passes by and go to drive it to work and dies shortly after and struggles to start and stay running and had to mash the gas to keep it alive. a little history is the car was originally a flood recovery car down south and flooded midway up the A pillers. engine seemed to be replaced but unsure about anything else. OBD WILL NOT READ ANYTHING so i basically have to analog test everything lol fuel seemed to be good during key on and cranking but have not tried to check during running since i dont have a tester for it and rental is still expensive AF. all the connections are good, vacuum lines look good from what i can see, intake pipe isnt ripped, and MAF sensor seems good though i have not fully tested. any possible ideas of what it is or where i can start looking is highly appreciated. Hope to keep this as a decent daily since its in REALLY good condition and got it for $100 and surprisingly clean inside. plus, it has working AC and iowa summers are a bitch


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Old 06-04-2019, 08:43 PM   #2
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Zzzzzz

Last edited by pbfoot; 06-07-2019 at 06:47 PM.
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Old 06-04-2019, 08:56 PM   #3
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The fact that the OBD won't read anything that's what concerns me. It's a flood car and if there's an issue with the ECU it could cause you endless issues. It really does sound like some type of electrical issue. With flood waters on the circuit board it's concerning. Normally in this situation you would have a OBD scanner to read the fuel pressure, and so on.

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Old 06-05-2019, 01:52 PM   #4
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There are a ton of focuses(sp?) down at the pull a part place, including an svt. Would it be better to just swap harnesses, ecus, and lock cylinders (if key is available)? I've been trying to read on the duratec swap but haven't found anything as far as an actual write-up on what year motor is needed if it's specific or what parts are needed outside of the motor and harness. It's basically an extra car, so it can sit for awhile while I amass everything needed. FWIW the obd wouldn't read when I first got it either, but I guess there's always that possiblity it just all of a sudden when kaput
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Old 06-05-2019, 02:29 PM   #5
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Quote:
Originally Posted by TheLaser View Post
There are a ton of focuses(sp?) down at the pull a part place, including an svt. Would it be better to just swap harnesses, ecus, and lock cylinders (if key is available)? I've been trying to read on the duratec swap but haven't found anything as far as an actual write-up on what year motor is needed if it's specific or what parts are needed outside of the motor and harness. It's basically an extra car, so it can sit for awhile while I amass everything needed. FWIW the obd wouldn't read when I first got it either, but I guess there's always that possiblity it just all of a sudden when kaput
Duratec swap would require having a donor car and swapping everything. Fuel tank and lines. Ecu and wiring harness. SVT has VVT so that is not a good choice either. An 04 Ztec 4 door is what you need as the coupe wiring harness may be too short.
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Old 06-05-2019, 03:40 PM   #6
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Duratec swap would require having a donor car and swapping everything. Fuel tank and lines. Ecu and wiring harness. SVT has VVT so that is not a good choice either. An 04 Ztec 4 door is what you need as the coupe wiring harness may be too short.
Good to know, thank you. Didn't realize the duratec swap is that involved. If I did want to swap in the future, is there a good thread or video you know of that has a decent amount if info? And I know a lot of people say to stay away from the svt simply because of access to parts so might just stick to the brake and suspension bits off of it as long as it's still in the yard for awhile lol
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Old 06-05-2019, 04:21 PM   #7
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Quote:
Originally Posted by TheLaser View Post
Quote:
Originally Posted by pbfoot View Post
Duratec swap would require having a donor car and swapping everything. Fuel tank and lines. Ecu and wiring harness. SVT has VVT so that is not a good choice either. An 04 Ztec 4 door is what you need as the coupe wiring harness may be too short.
Good to know, thank you. Didn't realize the duratec swap is that involved. If I did want to swap in the future, is there a good thread or video you know of that has a decent amount if info? And I know a lot of people say to stay away from the svt simply because of access to parts so might just stick to the brake and suspension bits off of it as long as it's still in the yard for awhile lol
SVT suspension and brakes are what you want. Grabbing the whole rear subframe with the trailing arms and parking brake cables is easiest. Front you want the brake calipers, brackets, rotors, brake lines. Strut assembly as well. The SVT springs are different than the ZX.

Last edited by pbfoot; 06-05-2019 at 04:34 PM.
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Old 06-07-2019, 04:20 PM   #8
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SVT suspension and brakes are what you want. Grabbing the whole rear subframe with the trailing arms and parking brake cables is easiest. Front you want the brake calipers, brackets, rotors, brake lines. Strut assembly as well. The SVT springs are different than the ZX.
will they fit in the control arm on the ZX or do i need to swap them as well? Would make sense on why you would say to get the whole subframe lol. and for the computer issue, does it need to be from a manual or will an auto ECU suffice?
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Old 06-07-2019, 04:22 PM   #9
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Quote:
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Quote:
Originally Posted by pbfoot View Post
SVT suspension and brakes are what you want. Grabbing the whole rear subframe with the trailing arms and parking brake cables is easiest. Front you want the brake calipers, brackets, rotors, brake lines. Strut assembly as well. The SVT springs are different than the ZX.
will they fit in the control arm on the ZX or do i need to swap them as well? Would make sense on why you would say to get the whole subframe lol. and for the computer issue, does it need to be from a manual or will an auto ECU suffice?
Bolts right up. If your car is manual you need the manual ecu. Not an SVT ecu.
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Old 06-07-2019, 05:05 PM   #10
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Bolts right up. If your car is manual you need the manual ecu. Not an SVT ecu.
sweet. thanks for all the info. sorry if im being annoying about it, would just like to have it run properly lol.
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