Today after taking the cooling fan out I removed the EGR junk and got the sensor out working from above without too much difficulty. The new sensor and 4 blanking plugs should arrive before the end of the week.
On Thursday, October 12, 2023 at 4:45:16 PM UTC+1 Jim Hearne wrote: > Yup, that’s it, its a bit fiddly. > Last one i did i did from below, i removed the starter motor bolts and > moved the starter to one side. > I didn’t disconnect the starter wires as the nuts were so rusty they > didn’t look like they would come undo without something breaking. > Only 1 bolt (torx unless it’s been changed) holds the black sensor on, the > aluminium bit stays on the block and is fitted from inside the gearbox > bellhousing > The main issue is if the aluminium part has corroded onto the sensor. > > A lot of people (me included) do remove the EGR, blank off the 4 holes in > the exhaust manifold (or get an earlier manifold one without the holes) and > remove the gubbins, pipework, differential pressure sensor and i think a > solenoid valve. > > Jim > > > > > *From:* flob...@gmail.com > *Sent:* Thursday, October 12, 2023 4:37 PM > *To:* Quantum Owners Group > *Subject:* Re: [Quantum Owners] H4/Facebook problem > > Thanks for the advice so far. Today I found the sensor (eventually) it's > hidden behind by what appears to be part of an EGR system and just above > the starter motor. I see no reason I can't remove the device and blank off > the exhaust and inlet manifold connexions, does this seem reasonable? > > Russ > > On Tuesday, October 10, 2023 at 2:06:46 PM UTC+1 Jim Hearne wrote: > >> Ok, sounds like the TOAD immobilizer is doing what it’s supposed to. >> I would put money on the crank sensor given the misfire that isn’t tied >> to a specific cylinder. >> When they fail they start by misfiring then fail completely when hot. >> >> Jim >> >> >> *From:* flob...@gmail.com >> *Sent:* Tuesday, October 10, 2023 1:42 PM >> *To:* Quantum Owners Group >> *Subject:* Re: [Quantum Owners] H4/Facebook problem >> >> Yes it has a TOAD immobilizer. Have both types of key only ever used key >> with red patch. >> Tried to start car this morning without unsetting the immobiliser engine >> did not start unset immobiliser with fob, engine started first time as >> always, revs up and down but not as bad as previously some misfiring but as >> the temp gauge started to move tickover settled at about 1000 rpm and >> engine still missing; waited for engine to stall - it did not, switched off >> and restarted >> every time but still misfiring, disconnected one plug at time but engine >> still started every time, thought missing was worse when plug 1 or 4 >> disconnected (not really an obvious difference so perhaps just my >> imagination) so changed coil pack & leads no difference, forgot to change >> plugs, will do that just in case. >> >> Russ >> >> On Monday, October 9, 2023 at 7:46:35 PM UTC+1 Jim Hearne wrote: >> >>> Ah, no, i got caught out by the reply to group or reply to sender that >>> Google does sometimes. >>> >>> So everybody else can see: >>> >>> You say you started it without turning the immobilizer off ?, i assume >>> this is an after market one and not the PATS system from your donor car. >>> Though depending on the age of the donor you may not have PATS, do you >>> have a Red key or a Black Key with a red dot on it. >>> >>> IT could be an after marker immobilizer playing up. >>> When it stalls and wont restart, check the voltage on the centre pin of >>> the 3 pin plug on the ignition coil, there should be 12 to 13 volts there. >>> If you still have voltage there i would go back to suspecting the crank >>> sensor, the symptoms do fit with that. >>> If you have no voltage then suspect the immobilizer, bypass it if you >>> can. >>> >>> Jim >>> >>> >>> On 09/10/2023 12:18, Jim Hearne wrote: >>> >>> I replied to you here last night but that message seems to have >>> disappeared as well. >>> Have you been upsetting the Internet ! >>> >>> I will redo the reply later. >>> >>> Jim >>> >>> >>> *From:* flob...@gmail.com >>> *Sent:* Monday, October 9, 2023 12:10 PM >>> *To:* Quantum Owners Group >>> *Subject:* Re: [Quantum Owners] H4/Facebook problem >>> >>> Sorry forgot to add my name to the above post. >>> Russ >>> >>> On Sunday, October 8, 2023 at 10:13:06 PM UTC+1 Matthew Wastell wrote: >>> >>>> Hi, you are Russ aren’t you? >>>> >>>> Just checked Facebook group and no Russ has joined in the last month >>>> according to the logs. And don’t recall any posts about non starting >>>> recently. >>>> >>>> Were you in this group? >>>> Quantum Sports Cars Group >>>> <https://m.facebook.com/groups/quantumownersgroup/?ref=share> >>>> facebook.com >>>> <https://m.facebook.com/groups/quantumownersgroup/?ref=share> >>>> [image: TYhiZ_A7dmu.ico] >>>> <https://m.facebook.com/groups/quantumownersgroup/?ref=share> >>>> <https://m.facebook.com/groups/quantumownersgroup/?ref=share> >>>> >>>> >>>> Good luck with the car. >>>> >>>> Matthew >>>> >>>> >>>> >>>> On 8 Oct 2023, at 19:08, flob...@gmail.com <flob...@gmail.com> wrote: >>>> >>>> >>>> >>>> I started a thread on Facebook to which I recv'd several helpful >>>> replies about a problem with an H4 but now my facebook account has been >>>> suspended, i don't what rule I have broken as I only opened the account >>>> this week and that thread was the only one I have commented on so I'll >>>> continue on here. >>>> I have now checked and there is no spark after engine stalls and i try >>>> to restart it, however if the engine stalls after running for a only a few >>>> seconds I can restart it. It occurred to me that the immobilizer could be >>>> causing the problem but I tried resetting it and the LED that shows it is >>>> off is lit and car will not start. >>>> After writing the above I tried starting the car from cold without >>>> turning the immobilizer off and the car started ran for 10-20 sec stalled >>>> and would not restart. So perhaps the immobiliser is the problem? >>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Quantum Owners Group" group. >>>> To post to this group, send email to quantu...@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> quantumowner...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/group/quantumowners?hl=en >>>> >>>> IMPORTANT NOTE: All information presented herewith is provided on an >>>> "As Is" basis, without warranty or the implication thereof. Neither the >>>> Quantum Owners Club nor the individuals associated with the Quantum Owners >>>> Club or in the preparation of the above information shall have any >>>> liability to any person or entity with respect to liability, loss, or >>>> damage caused or alleged to be caused directly or indirectly by the >>>> instructions contained within this or related message(s). >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "Quantum Owners Group" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to quantumowner...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/quantumowners/b2e1fb85-fa35-4258-b4b1-63123d2f4d02n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/quantumowners/b2e1fb85-fa35-4258-b4b1-63123d2f4d02n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Quantum Owners Group" group. >>> To post to this group, send email to quantu...@googlegroups.com >>> To unsubscribe from this group, send email to >>> quantumowner...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/quantumowners?hl=en >>> >>> IMPORTANT NOTE: All information presented herewith is provided on an "As >>> Is" basis, without warranty or the implication thereof. Neither the Quantum >>> Owners Club nor the individuals associated with the Quantum Owners Club or >>> in the preparation of the above information shall have any liability to any >>> person or entity with respect to liability, loss, or damage caused or >>> alleged to be caused directly or indirectly by the instructions contained >>> within this or related message(s). >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Quantum Owners Group" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to quantumowner...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/quantumowners/86666ca8-9ab4-4918-a850-0db580c6c6cen%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/quantumowners/86666ca8-9ab4-4918-a850-0db580c6c6cen%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Quantum Owners Group" group. >>> To post to this group, send email to quantu...@googlegroups.com >>> To unsubscribe from this group, send email to >>> quantumowner...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/quantumowners?hl=en >>> >>> IMPORTANT NOTE: All information presented herewith is provided on an "As >>> Is" basis, without warranty or the implication thereof. Neither the Quantum >>> Owners Club nor the individuals associated with the Quantum Owners Club or >>> in the preparation of the above information shall have any liability to any >>> person or entity with respect to liability, loss, or damage caused or >>> alleged to be caused directly or indirectly by the instructions contained >>> within this or related message(s). >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Quantum Owners Group" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to quantumowner...@googlegroups.com. >>> >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/quantumowners/F0EE8E309A8B42B0A5B38B95C08150E9%40JimQuad >>> >>> <https://groups.google.com/d/msgid/quantumowners/F0EE8E309A8B42B0A5B38B95C08150E9%40JimQuad?utm_medium=email&utm_source=footer> >>> . >>> >>> >>> -- >> -- >> You received this message because you are subscribed to the Google Groups >> "Quantum Owners Group" group. >> To post to this group, send email to quantu...@googlegroups.com >> To unsubscribe from this group, send email to >> quantumowner...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/quantumowners?hl=en >> >> IMPORTANT NOTE: All information presented herewith is provided on an "As >> Is" basis, without warranty or the implication thereof. Neither the Quantum >> Owners Club nor the individuals associated with the Quantum Owners Club or >> in the preparation of the above information shall have any liability to any >> person or entity with respect to liability, loss, or damage caused or >> alleged to be caused directly or indirectly by the instructions contained >> within this or related message(s). >> --- >> You received this message because you are subscribed to the Google Groups >> "Quantum Owners Group" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to quantumowner...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/quantumowners/58fa5fdc-f9a0-4543-92ec-62d38d5887dan%40googlegroups.com >> >> <https://groups.google.com/d/msgid/quantumowners/58fa5fdc-f9a0-4543-92ec-62d38d5887dan%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- > -- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To post to this group, send email to quantu...@googlegroups.com > To unsubscribe from this group, send email to > quantumowner...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/quantumowners?hl=en > > IMPORTANT NOTE: All information presented herewith is provided on an "As > Is" basis, without warranty or the implication thereof. Neither the Quantum > Owners Club nor the individuals associated with the Quantum Owners Club or > in the preparation of the above information shall have any liability to any > person or entity with respect to liability, loss, or damage caused or > alleged to be caused directly or indirectly by the instructions contained > within this or related message(s). > --- > You received this message because you are subscribed to the Google Groups > "Quantum Owners Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to quantumowner...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/quantumowners/154ea8d5-0a33-48d5-8fd6-d1fd2c51920en%40googlegroups.com > > <https://groups.google.com/d/msgid/quantumowners/154ea8d5-0a33-48d5-8fd6-d1fd2c51920en%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. 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