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Thread: Not starting (again)

  1. #1
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    Default Not starting (again)

    Vec c 1.8 petrol 03 plate

    After the warm up car was hesitating in all gears. Full throttle solved it. Once fully warm no pros at all.

    Ran a scan as follows -

    OP-COM 090820b - PC based diagnostic tool
    Please add your workshop
    name in the settings window
    OP-COM - CAN Communication Window> 2002|Vectra-C / Signum|Engine|Z 18 XE

    Read Info...
    Identifier: 0x0201
    VIN: W0L0ZCF6828102814
    Hardware number:2004000
    Motor type: Z18XE
    Part Number:9179499
    Software version number: 6586085112
    Programming Date: FFFFFFFF
    Hardware key number: ’’’’’’’’’’
    System description: SIEM 0100
    Type approval number: S02001
    Alpha code:
    Hardware manufacturer system name: SIMTEC71.5
    Code Index and version: O15D101C
    VIN: W0L0ZCF6828102814

    Total number of fault codes: 9
    P0170 - Fuel Trim System Lean
    (12) - Not present
    P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
    (5A) - Not present
    P0704 - Clutch Switch Input Circuit Malfunction
    (05) - Not present
    P0135 - O2 Sensor Heater Circuit Open (Bank 1 Sensor 1)
    (04) - Present
    P0335 - Crankshaft Sensor Incorrect Signal
    (08) - Not present
    P0130 - O2 Sensor Circuit Range/Performance (Bank 1 Sensor 1)
    (11) - Not present
    P0130 - O2 Sensor Circuit Range/Performance (Bank 1 Sensor 1)
    (04) - Not present
    P0030 - O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 1)
    (08) - Not present
    P1405 - Exhaust Gas Recirculation Valve Feedback Signal Malfunction
    (61) - Not present

    These faults were present with the engine running. Drove 10 miles today, stopped for 30 mins, started the car to it idling all over the place for about 5 secs then nothing. Not even a hint of a fire.

    Another scan and exactly the same report as above, no more, no less faults.

    From what I see the only fault that would stop the engine from running from the above faults is the crank sensor. However, I thought it would still run as it gets a signal from the cam sensor?

    Tomorrow, I will disconnect the crank sensor and if it's that then the engine "should" fire up on limp home mode.

    Also noticed OPCOM says the MIL is ON, yet no orange bulb on the dash, suggests the previous idiot (sorry, owner ) has pulled the bulb out. Or, perhaps some garage charged him a few hundred quid to do it

    So then, a new crank sensor to get it going, a new CAT, new lambda (VX one, not the cheap ebay tat), new clutch switch, new EGR or blank it off...and i should be sorted????????????????

  2. #2
    Regional Organiser - East Region whiskyno7's Avatar
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    Vehicle : vauxhall signum

    Trim : 2.0t

    Engine : chipped and remapped

    Year : 03

    Mileage : 100k+

    Default star problems

    till four days ago when i started my car up it sounded like it was dieing. high reving miss fireing allways starting on a cold start but after min or two it ran like nothing was wrong. but things got worse. wrong idle speed hesitating. and on and on. so went to vx after my normal garge said thay could'nt do anything with it....... but thay said we think it's your e.c.u. so vx replaced the e.c.u after it throw up some wrong codes mass air meter and egr valve now i have a new car no miss fire right idle speed no cold starts... so if these code help. p0170 fuel trim.system rich.p1405 c-18 wiring checks at egr valve. shw fult at y56-egr valve or a84-engine ecu. or check your o2 sensor. hope any of that help m8
    it say's it all

  3. #3
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    Default

    Looks like it may well be the ECM...

    How much did they charge you? I phoned VX today and got quoted £740 + VAT, supply and fit, then additional charges to programme keys back in (I can do this myself though).
    Last edited by wcr; 1st July 2010 at 23:50. Reason: typo

  4. #4
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    Default

    Interesting, this confirms my thoughts and backs up whiskyno7's comments...

    http://www.ecutesting.com/vauxhall_v...a_astra_1.html

    A much more manageable price than VX's rip off prices too.

  5. #5
    Regional Organiser - East Region whiskyno7's Avatar
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    Vehicle : vauxhall signum

    Trim : 2.0t

    Engine : chipped and remapped

    Year : 03

    Mileage : 100k+

    Default ecu

    hi m8 it cost me £600 for the ecu + £90 for labour i did'nt have extra for them to reprogram it ****** cheek spend all that and they are going to charge you more to reprogram it it took about 45 min to do ten mins getting it out. ten mins putting the new one in. twenty five mins reprogramming it i thought that was all part of the labour. its a lot of mony now you have to ask yourself is the car worth it ?????
    it say's it all

  6. #6
    Regular Member DaveW555's Avatar
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    Default

    The car will not fire up at all with the crank sensor unplugged, from what I can make out from the diagnostic report it is a historic fault (not present) anyway, the fault you need to address first is the number 1 lambda sensor (pre - cat) as that is the only one listed as present then clear down the fault codes and run the car and see what happens.

  7. #7
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    Default

    I wouldn't have thought the car would completely stop and not start on a failed lambda though?

    I have a new genuine VX o2 sensor for Vec B SRI 140, not the right one for my car I know, but I'll try it anyway, clear the codes and see what happens. Personally, I dont think it will make the car start, but it's free and takes ten minutes so I'll give it a go..

    The car's value will be less than 2k now so getting VX to fit a new ECM is not worth it. Got quoted £40 for an ECM from the scrappy, it means I'd need to go down with the laptop and booster pack, put power on the battery terminals and reset/clear the ECM with opcom, fit to mine and programme it in. Nothing hard about that but it's time consuming.

    I'm at the point where I'm considering to cut my loses and run, scrap it for £150. In the last 2 years its cost more in parts than it did to buy it. That's with no labour or garage charges as I do all the work myself ( I have SVQ, HNC and HND in mechanical engineering - my day job is not with cars but I have a good understanding of them).

    The thing that keeps denting the wallet is because it is a good family car, when it runs...

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