Author Topic: 16V Ecotec turns over but won't start  (Read 4294 times)

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Offline Cento

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16V Ecotec turns over but won't start
« on: February 03, 2017, 00:43:56 AM »
Hi All. It's been a while but I need some help with a problem. My car has been sitting idle for over a year but I've been regularly (weekly/fortnightly) running it to keep the fluids moving and the air-con working in the hope of selling it one day. Now, the car will turn over but won't start and looking at some old threads it's likely to be the fuel pump relay. Seems like there's possibly two locations for the relay:
- Right side foot well below the ECU
- Engine bay fuse/relay box
In the foot well I can identify a single relay (black) while in the engine bay there are three (2 green, one purple). I should have taken a picture to make it easier but from some of what I've read the fuel pump relay should be the purple one. Would I be right in thinking this?

Are they easy enough to come by and at what cost? If it isn't the relay then it'll be the fuel pump (hoping not). I've eliminated the crank position sensor and immobiliser because the fuel pump isn't switching on when I turn the key.

Your wisdom and assistance is much appreciated.

Offline Jepwee

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Re: 16V Ecotec turns over but won't start
« Reply #1 on: February 04, 2017, 17:55:25 PM »
Hi,
 I am not sure where the fuel pump relay is, but the relay is black and has the part number 90378651. Maybe it's worth checking the relays with this number as a way to find it.
 Cheers

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #2 on: July 18, 2017, 03:12:56 AM »
Hi Guys. We traced the fault to the fuel pump relay and managed to get it operational again which lasted a while but it's time to replace it. Does anyone have one from a car they're breaking or can they recommend a site in the UK (or anywhere for that matter) where I can get one?
I found a couple in Russia but don't have a lot of confidence that I'd actually get the part.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #3 on: July 18, 2017, 03:50:59 AM »
Jost found a new one on ebay and ordered so should all be good.

Offline tristandimond

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Re: 16V Ecotec turns over but won't start
« Reply #4 on: July 18, 2017, 21:42:07 PM »
👍 Excellent!
1998 Cally 16v SE8 (daily)
1997 Cally V6 (project)
1999 Jaguar XJR 4.0 V8 Supercharged (Toy)

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #5 on: July 19, 2017, 01:36:56 AM »
Just for a laugh I called a local Holden dealer to get a quote on the fuel pump relay. Now I've purchased this on ebay for $A23.95 new, including delivery from the UK (should arrive next week).
The dealer down the road wanted $A182.65!!!! That is roughly what it is going to cost me to register the car for 3 months while we sort out my wife's car that was rear ended, or nearly 20% what the car is worth on the second hand market here.

Offline cal16v

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Re: 16V Ecotec turns over but won't start
« Reply #6 on: July 19, 2017, 02:44:00 AM »
Ha ha poor old Holden, or should I say GM or Isuzu or?

In Oz they've always looked down on the Opel derived products... now they have none... products of their own that is.

A few years back I went to see a tech at a Holden dealership and pulled up beside a (then) new Maloo ute on ramps. The salesman wandered over and asked if I was looking to trade the Cali... I said sure, I'm interested in trading on any new vehicle on the lot that wasn't leaking oil from the main seal or sump.

I was once quoted, wait for it (and be certain you are sitting)... $1550 for a pair of front lower wishbones... too funny  ;D

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #7 on: July 19, 2017, 04:30:49 AM »
Crazy isn't it? But it isn't just the price of new parts. A couple of years ago I had to get a new pump for the wiper washers. A wrecker in Adelaide wanted $50 odd for one (it would have been 20 years old at the time). I bought one from a UK parts site for $18 including delivery and it was brand new.
And they don't like it when you point out the extent of the rip-off!

Offline cal16v

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Re: 16V Ecotec turns over but won't start
« Reply #8 on: July 19, 2017, 08:12:01 AM »
Crazy isn't it? But it isn't just the price of new parts...

I recently tried to buy an A/C condensor... you know buy Australian made and all that. The first one they sent (via Repco) was clearly the wrong unit. I didn't even take it out of the shop and wanted it swapped for the correct one. No problem. 3 weeks later... 3 weeks from Adelaide to Sydney, and they sent the very same unit back again! The best bit was Repco 2nd time around telling me I had to pay for it now because it was a 'special order'... ha ha, I quipped... it was so special it didn't even fit. The manufacturer then told me over the phone that my Cali must have been altered as that was the only listing/variation on their list.

In the end I searched UK listings for a radiator specialist, I rang them and they sent the correct one next morning via UPS. When Repco contacted me threatening court/collection, I said you and your supplier are going to look pretty silly in court when I produce the photos and the invoice of the replacement oem unit.

Seriously, now I don't want to get political and all that but the Brits think they've got problems ala Brexit. Here (in Oz) you get assaulted and robbed simultaneously and if you object you're then threatened with legal consequences.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #9 on: July 20, 2017, 01:44:17 AM »
I hear you. Aussie retailers are going to get a pretty rude shock when Amazon ramps up next year.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #10 on: August 01, 2017, 02:24:06 AM »
So, the new fuel pump relay arrived, plugged it in and, no joy. No pressure in the fuel rails so could be the pump, but we found there was no problem there last time. Any ideas or similar experience from anyone else? One theory I have is maybe the connections for the relay aren't doing their thing though I find that hard to fathom. Will keep at it but any suggestions would be great.

Offline sealeysonic

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Re: 16V Ecotec turns over but won't start
« Reply #11 on: August 01, 2017, 12:02:05 PM »
It`s possible that the connections might have got hot and melted/come loose...they may look ok from the outside but it might be worth looking at the  of the connector the relay sits in....

https://www.dropbox.com/s/0pg0ynvxcxlv6jt/Haynes%20Vauxhall%2C%20Opel%20Calibra%20Service%20And%20Repair%20Manual.pdf?dl=0


Offline sealeysonic

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Re: 16V Ecotec turns over but won't start
« Reply #12 on: August 01, 2017, 12:33:47 PM »
Thats a link to a PDF manual......the Fuel relay does quite a few jobs....it also supplies voltage to the ECU....in the back of the Manual are wiring diagrammes that might help.   

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #13 on: August 02, 2017, 03:34:00 AM »
Thanks for the info. I'll give it a look.

Offline will

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Re: 16V Ecotec turns over but won't start
« Reply #14 on: August 02, 2017, 10:13:22 AM »
Crazy isn't it? But it isn't just the price of new parts. A couple of years ago I had to get a new pump for the wiper washers. A wrecker in Adelaide wanted $50 odd for one (it would have been 20 years old at the time). I bought one from a UK parts site for $18 including delivery and it was brand new.
And they don't like it when you point out the extent of the rip-off!

Wow  :o And I thought it was us poor old Brits that got tucked up on the price of good and services.

Hope you get that sorted. When my Ecotec played up we traced it to the relay unit by the footwell. A new one was fitted and hey presto, all was good again.
Drives: an original SE6 auto, 81,000 miles (approx) and still going strong......(but some work is needed!). Now my second car.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #15 on: August 02, 2017, 23:42:21 PM »
Wow  :o And I thought it was us poor old Brits that got tucked up on the price of good and services.

Hope you get that sorted. When my Ecotec played up we traced it to the relay unit by the footwell. A new one was fitted and hey presto, all was good again.
Cheers Will. That's what I initially thought too, plug it in and it'll be all good. Typically though with my luck it just has to be more complicated than that. It's a bugger as I was really looking forward to driving it around again as it's perfect sunroof weather at the moment being the dry season.

Offline tommygards

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Re: 16V Ecotec turns over but won't start
« Reply #16 on: August 02, 2017, 23:51:23 PM »
Rather than focus on that relay which may be a false lead, is it possible to discount other issues?  Firstly it may not be fuel related and the pump may be working fine, you can tell by depressing the little valve nipple on the fuel rail and fuel will spirt out of it when you try to start the car.

if it is fuel then can you put your head under the car and connect the pump direct to the battery and bypass the electrics to see if it runs? I appreciate that is for an external pump and won't be so easy for an internal one.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #17 on: August 03, 2017, 00:28:13 AM »
Rather than focus on that relay which may be a false lead, is it possible to discount other issues?  Firstly it may not be fuel related and the pump may be working fine, you can tell by depressing the little valve nipple on the fuel rail and fuel will spirt out of it when you try to start the car.

Yep, I've checked the rail and there's no pressure and I've got my hands on some lengths of wire to check the fuel pump (thankfully it's external)which was fine last time so it might have carked it but I'm not expecting that to be the case. The fuse for the fuel pump is also fine which to my mind leaves the relay block and the connections.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #18 on: August 03, 2017, 00:30:46 AM »
And this post gets me to 100!!  8) Do I get a prize?

Offline cal16v

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Re: 16V Ecotec turns over but won't start
« Reply #19 on: August 03, 2017, 23:46:05 PM »
And this post gets me to 100!!  8) Do I get a prize?

Yes!



You get to check your earths... fuel rail x 2, inner wing near battery etc if you've not already done so.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #20 on: August 05, 2017, 07:49:24 AM »
It lives!!!!!!!
Was getting to the stage where I thought I'd have to get the professionals. I was fixated on the relay connections but wasn't getting anywhere. Then I decided to lock the car and let the alarm arm itself, then I unlocked the car. Bloody thing started first time didn't it?!
Lesson learnt. Try the IT fix first!! Turns out the original relay was fine once I worked out how to test it so I have it as a spare.
Thanks for all the input and info everyone.

Offline tommygards

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Re: 16V Ecotec turns over but won't start
« Reply #21 on: August 05, 2017, 10:14:53 AM »
So it was the immobiliser?

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #22 on: August 06, 2017, 00:09:57 AM »
Seems like it. Never had that issue before and I keep the car on a charger so the battery doesn't go stale. It was a bit of a " Hail Mary" solution before having to get a sparky in but it worked.

Offline cal16v

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Re: 16V Ecotec turns over but won't start
« Reply #23 on: August 06, 2017, 00:52:37 AM »
Great result. Enjoy...

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #24 on: August 06, 2017, 07:48:39 AM »
I have been. Took it to the beach today. Still can't believe that after 22 years of owning this car, with no modifications, how well it drives and handles. Mind you, going from my Pajero back to the Cally, I feel like I'm in a go-cart!!!

Offline sealeysonic

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Re: 16V Ecotec turns over but won't start
« Reply #25 on: August 06, 2017, 10:12:47 AM »
I have been. Took it to the beach today. Still can't believe that after 22 years of owning this car, with no modifications, how well it drives and handles. Mind you, going from my Pajero back to the Cally, I feel like I'm in a go-cart!!!

lol I will have to learn to drive again when i get mine back on the road....our current car is a Ford C-MAX (UK) and has all sorts of driver assist gadgets lol

Offline will

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Re: 16V Ecotec turns over but won't start
« Reply #26 on: August 14, 2017, 09:49:23 AM »
I know what you mean, I did a drive from Peterborough down to Bournemouth on the weekend and the car felt great. Not fast though! And rubbish brakes! And once she was washed, I went for a drive / pose down to Sandbanks and the SE6 certainly stood out. Got a few complementary looks and comments.

The sad thing: in the 400 plus miles I drove there and back, I didn't see a single Calibra on the road.
Drives: an original SE6 auto, 81,000 miles (approx) and still going strong......(but some work is needed!). Now my second car.

Offline Cento

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Re: 16V Ecotec turns over but won't start
« Reply #27 on: August 15, 2017, 05:42:18 AM »

The sad thing: in the 400 plus miles I drove there and back, I didn't see a single Calibra on the road.

When I drove from Melbourne to Cairns and Adelaide to Cairns I didn't see any Calibras either and each of those trips were over 3,000 kms! Mind you, I wouldn't expect to see any in rural oz anyway.

Offline will

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Re: 16V Ecotec turns over but won't start
« Reply #28 on: August 15, 2017, 09:28:33 AM »
3000kms..!!  :o That's a drive and a half!

Yes, the Calibra's are getting rarer and they'll be less of them still on the roads. I half exect to see one turn up on a car restoration program every time I tune in, e.g. Car S.O.S, Wheeler Dealers, For The Love of Cars, etc......

So long as there are a few crazies who keep them on the roads  :)
Drives: an original SE6 auto, 81,000 miles (approx) and still going strong......(but some work is needed!). Now my second car.

Offline Jepwee

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Re: 16V Ecotec turns over but won't start
« Reply #29 on: August 16, 2017, 08:37:12 AM »
Hi,
 The trouble of having a car now that's as rare as a Calibra, apart from the spares issue, its that friends recognize the car when out driving and wave and you don't see them and then being called a miserable old git for ignoring them. As for seeing other Calibra's I saw one go through Wycombe about a month ago. Didn't Clarkson say on The Grand Tour that there was only left 325 on the road.

Offline will

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Re: 16V Ecotec turns over but won't start
« Reply #30 on: August 16, 2017, 08:54:12 AM »
Agreed Jepwee,

Mechanical bits are relatively easy to get but body and trip bits are a bugger. Pretty soon I'll need to buy a MOT failure for spares. As for how many are left, see https://www.howmanyleft.co.uk/?utf8=%E2%9C%93&q=vauxhall+calibra&commit=Search

There are 45 Calibra SE6's on the road and 55 SORN.
Drives: an original SE6 auto, 81,000 miles (approx) and still going strong......(but some work is needed!). Now my second car.

Offline Jepwee

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Re: 16V Ecotec turns over but won't start
« Reply #31 on: August 17, 2017, 07:49:06 AM »
Hi Will,
 Thanks for the info, just looked to see where my Calibra stands. As my Calibra is just an 8v in Rio Verde green I assume its not an SE model so it list just 80 models on the road which one of them must be mine. Blimey.