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  • Davezj's Avatar
    Yesterday, 01:50 AM
    COP info still coming soon
    16 replies | 547 view(s)
  • CHESHIRECAT's Avatar
    10-01-2022, 04:50 PM
    It looks like there is a drive on the end of the stepper motor so I'm wondering if whatever that the stepper motor moves may be stuck. Does the plunger just move in and out or does it rotate?
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    06-01-2022, 01:59 PM
    Thanks for the offer Garry. That's too kind. It will be a few weeks at least before I'm able to travel with the car unfortunately. I'm balls deep in few jobs on it at the moment, and once those are done I need some welding for the MOT.
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    06-01-2022, 01:55 PM
    Hi Tony, yes the motor can be adjusted manually, thanks for the tip. Maybe I can warm it up, then adjust the stepper motor manually, then with it unplugged adjust the idle screw. Hopefully it works better now I have replaced the o-ring. I'm also going to a local community repair group on Saturday to have my MAF PCB repaired, how great is that! P.S. do you know what it is that the stepper motor is moving?
    70 replies | 2498 view(s)
  • Davezj's Avatar
    06-01-2022, 01:59 AM
    Davezj replied to a thread Head Gasket Replacement in Engine
    the original auto boxes were pretty good. that is what i fitted along with the correct ecu after my second gen box got trashed after a heavy launch. never had an issue with the auto box since I must have 100's of launches on the auto box, pre and post engine rebuild, with high boost, high torque at low rpm. the above launches are also a good way to trash conrod and crank bearings. especially if you use crap engine oil. never go cheap on engine oil or ATF.
    8 replies | 149 view(s)
  • CHESHIRECAT's Avatar
    05-01-2022, 11:04 PM
    Thanks guys, thats bad news. I followed the instructions that were included with the stepper motor. I will look into getting a cable and evoscan. It never ends...
    70 replies | 2498 view(s)
  • Davezj's Avatar
    05-01-2022, 08:56 PM
    do you have a link to the thread you did about full idle setup using evoscan to lock the stepper motor and set the idle with the BIST (Base Idle Set ???) screw. https://www.clubvr4.com/forum/showthread.php?78733-Idle-issues&highlight=BIST+screw post 10 gives a good description of what to do to set the idle correctly if you have adjusted the BIST screw randomly.
    70 replies | 2498 view(s)
  • Davezj's Avatar
    05-01-2022, 07:34 PM
    Davezj replied to a thread Head Gasket Replacement in Engine
    i have been running 320hp plus for the last 10 years and it easily handles this. i had 320hp on 1.1-1.2bar boost pressure. the reason i had 3 engines with head gasket fails is because i run the turbos with with no wastegate pipes connected so they boost as hard and as fast as they can. full boost 1.6bar at 2500-3000rpm. massive torque very low down in the rev range is lots of fun to play with, but it will lift the heads if you have standard head bolts. my point is i have not dynoed my...
    8 replies | 149 view(s)
  • Davezj's Avatar
    05-01-2022, 01:37 AM
    Davezj replied to a thread Head Gasket Replacement in Engine
    I have done head gesket replacements on the 6A13tt engines. engine out is a much easier way to do it. unfortunately in both of the engines i have done the head gaskets on, once the engine was out and the bearings were checked it was found they needed replacement. so what was originally a head gesket job it turned into a full engine rebuild. you can take the rear head off the engine while it is in the car, but would not both it is more hassle than it is worth. just drop the engine and...
    8 replies | 149 view(s)
  • CHESHIRECAT's Avatar
    03-01-2022, 03:22 PM
    if anyone has one lying around or knows where I can get one please let me know thanks steve. it is 63 O.D. 69I.D. 0.48mm THK cheers
    0 replies | 41 view(s)
  • CHESHIRECAT's Avatar
    03-01-2022, 03:14 PM
    yes its possible. I had an issue the same as OP that that happened once, but the car has been off the road for the last month. I also seem to have an issue where the revs are not raising as I would expect on cold mornings, which made think it was a MAF issue. I also had a strange experience when changing the idle speed stepper motor, the instructions said to turn the speed adjuster screw all the way in and hold the rpms at 2000 until the engine was warm. then back it out the 650rpm. ...
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    03-01-2022, 01:53 AM
    Well I've run the test as instructed. The resistance value at 20c was good and it changed as i heated it, although i'm not to confident on how accurate my probe thermometer is measuring air temp. It seemed slow to react. So the upper reading wasn't bang on. So maybe my diode is ok. Bit strange, i might take it to be looked at anyway.
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    03-01-2022, 01:07 AM
    Ah thats awesome, the manual i have i think only had a test requiring a test loom.
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    01-01-2022, 02:44 PM
    Thanks for the offer Garry much appreciated. I spoke to Mike at viamoto recently and he mentioned the diode was faulty on his brothers legnum. I've done a diode test with a multimeter and I think the diode itself maybe faulty. The test guide instructed to remove one side of the diode for the circuit before performing the test which I was unable to do however, so I am not 100% sure if that is the issue. There are some PCB repair shops near me so I will try and get it looked at once they open...
    70 replies | 2498 view(s)
  • CHESHIRECAT's Avatar
    28-12-2021, 07:07 PM
    Hi Tony, I had a potential MAF fault recently and came across this thread I've had a a look at the circuit board as you suggested. I'm not really sure what to look for when you say crystalised solder. I've taken some pictures there does seem to be some brown stuff as you can see. Notably a couple of the tabs on the cover were broken so it looks as if someone may have been in before. I've taken some pictures maybe you can suggest if these solders need redoing. Thanks Steve.
    70 replies | 2498 view(s)
  • Davezj's Avatar
    23-12-2021, 01:15 AM
    Soon. christmas break will let me sort out the final info. i have been working 50+ hour weeks recently and these COP kits are a part time hobby at the moment.
    16 replies | 547 view(s)
  • CHESHIRECAT's Avatar
    22-12-2021, 08:44 PM
    Interested, please let me know when these will be available.
    16 replies | 547 view(s)
  • Davezj's Avatar
    21-12-2021, 11:20 PM
    the circuit you have created using the original horn feed to switch the new really with a fused battery feed is OK to do but i think your choice of the position of the horns is not very good. you basically block a lot of air flow to the top of the radiator, the hottest part. why did you not mount the new horns next to the old one or just remove the old ones and fit the new horns in there place. both of my vr4 have two horn one either side of the radiator above the fog light. you get...
    11 replies | 235 view(s)
  • Davezj's Avatar
    21-12-2021, 11:09 PM
    garry isn't it the other way round the single pin sensor drives the dash and the 2 pin sensor drives the ecu input. it doesn't really matter about the the dash sensor, you could disconnect that one and it would only effect the the gauge on the dash, but the ecu temp sensor failing can mess up the fueling, depending on if it fails short or open. i can remember off hand which way round it will be but one method of fail will signal the ecu that coolant temp is permanently hot or it will...
    70 replies | 2498 view(s)
  • Davezj's Avatar
    20-12-2021, 07:00 PM
    That wiring manual is for a UK spec galant not a Japan import. So you need to take it with a pinch of salt. You need to know which electrical systems you have on your car and if the same system is available on the UK spec car you can use the UK spec manual to work out what is going on. some of systems are the same as a UK spec galant
    11 replies | 235 view(s)
  • Davezj's Avatar
    20-12-2021, 01:31 PM
    If you want to fit some extra horns then just splice into the existing horn wires at the horn itself don't bother with doing anything with fuse box. As long as you are not fitting a stupid high current draining train horn type thing then existing wiring should be fine to splice into. Or if you are fitting something that requires a lot more current then fit a relay with a dedicated fused feed to it and use the existing horn wire to trigger the relay.
    11 replies | 235 view(s)
  • Davezj's Avatar
    20-12-2021, 01:14 PM
    Good advice here.
    6 replies | 171 view(s)
  • Davezj's Avatar
    20-12-2021, 01:08 PM
    Vr4's of any age are not OBDII compliant. Fashy dash is the only way you can get the correct codes from the car. Unless you have a dealership MUTII or MUTTIII scan tool. Pay attention to the advice you are being given it will save you time and money.
    7 replies | 157 view(s)
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9 Visitor Messages

  1. View Conversation
    Did you end up selling the cop kits?
  2. View Conversation
    Hi DaveZj,
    I have AYC error codes:
    31, 81and 82.
    I guess that its some wire which is broken.
    Do you have any idea where i can find this wires?
    Best regards
    Morten
    Ps my car is VR4, AUTOMATIC 2.5 1999, 4WD, 280HP SALOON
  3. View Conversation
    Do you know if this set is still the one for the 6a13tt?
    Wanna order 2 sets of them. http://www.energysuspensionparts.com...packagedeal001
  4. View Conversation
    Hi there I have bought a fuel pressure regulator and not sure how to plumb it in really do you have any information please
    Thanks
    Ian.
  5. View Conversation
    Hi there spoke to you before with few issues with my 1996 legnum.well at the moment it running fine touch wood just want to no any contacts that could. Remap mine and hopefully have a newer ecu as mine is 7201, have spoke to Jason about remapping and other ecu to fit but for some reason won't get back to me hope you can help

    Many thanks
    ian
  6. View Conversation
    Pm me your address Dave
  7. View Conversation
    hello mate any luck with postage
  8. View Conversation
    hi Dave can you give my souraund for enyone who go to Guilford RR day please.
  9. View Conversation
    Hey Dave,

    Ecu came the other day, but it wasn't in good condition... it was in awesome condition! Anyway thanks so much for being so generous again. Can you remember if it was from a manual or an auto?

    Thanks
    Josh
Showing Visitor Messages 1 to 9 of 9
About Davezj

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Age
48
About Davezj
Membership Number:
255
Location:
Manchester
Interests:
playing with VR-4
Occupation:
Mass Spectrometer/Electronics PCB Design Engineer
Country:
England
Car:
VR-4
Region:
UK
First Name:
Dave

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