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Albi

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Re: 2016 Tiguan crank no start p0087
Reply #15 - Aug 12^th, 2026 at 1:19pm

Yes it works now. Good catch. I didnt know what was going on because it accepted my first capture and then it wouldnt accept the rest.

Do you have any ideas btw Trevor what is going on with my capture? It seems its completely off but there is no way my timing was that off because I followed the timing marks. Worst case scenario I could have been off by one tooth or two maximum but the capture shows im completely off. Is this a phaser problem, or do I have a different style camshaft with a different reluctor wheel? Again like I said there is no way I am off by this much. I got perfect compression and leakdown test shows perfect results on each cylinder

Could I possible have installed the chain wrong? meaning i installed it when the cylinder 1 piston was at tdc but on the exhaust stroke as opposed to the compression stroke? This is the only way i can make sense of how the camshaft signal is so far off from the known good

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TrevorSchlientz Autonerdz Administrator Picogroup Offline I'm an Autonerd Posts: 1,403 Grand Rapids Michigan USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #16 - Aug 12^th, 2026 at 1:25pm I'd say the cam is off. I found a known good from FB and comparing the two I come up your cam being ~84° advanced compared to the KG.
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TrevorSchlientz

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Re: 2016 Tiguan crank no start p0087
Reply #17 - Aug 12^th, 2026 at 1:29pm

Albi wrote on Aug 12^th, 2026 at 1:19pm:

Yes it works now. Good catch. I didnt know what was going on because it accepted my first capture and then it wouldnt accept the rest.

Do you have any ideas btw Trevor what is going on with my capture? It seems its completely off but there is no way my timing was that off because I followed the timing marks. Worst case scenario I could have been off by one tooth or two maximum but the capture shows im completely off. Is this a phaser problem, or do I have a different style camshaft with a different reluctor wheel? Again like I said there is no way I am off by this much. I got perfect compression and leakdown test shows perfect results on each cylinder

I wonder if this is a case of the tone ring shifting on the camshaft?

I don't think a phaser is going to move as far as it would seem this signal is off.

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Albi Freshman Member Picogroup Offline I'm an Autonerd Posts: 29 Connecticut Connecticut USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #18 - Aug 12^th, 2026 at 1:31pm Do you think I installed it wrong? Instead of true tdc (piston on cyl 1 was at tdc) but maybe it was on the exhaust stroke as opposed to the compressin stroke
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TrevorSchlientz Autonerdz Administrator Picogroup Offline I'm an Autonerd Posts: 1,403 Grand Rapids Michigan USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #19 - Aug 12^th, 2026 at 1:35pm Albi wrote on Aug 12^th, 2026 at 1:19pm: I got perfect compression and leakdown test shows perfect results on each cylinder When you say perfect compression what do you mean exactly? Its not really high is it? Is this an engine you can remove the valve cover and observe the lobes while rotating the engine?
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TrevorSchlientz

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Re: 2016 Tiguan crank no start p0087
Reply #20 - Aug 12^th, 2026 at 1:37pm

Albi wrote on Aug 12^th, 2026 at 1:31pm:

Do you think I installed it wrong? Instead of true tdc (piston on cyl 1 was at tdc) but maybe it was on the exhaust stroke as opposed to the compressin stroke

TDC is TDC until the cam is connected to the crank. There is no exhaust or compression stroke until the cam is connected to the crank.

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Albi

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Re: 2016 Tiguan crank no start p0087
Reply #21 - Aug 12^th, 2026 at 1:41pm

TrevorSchlientz wrote on Aug 12^th, 2026 at 1:35pm:

Albi wrote on Aug 12^th, 2026 at 1:19pm:

I got perfect compression and leakdown test shows perfect results on each cylinder

When you say perfect compression what do you mean exactly? Its not really high is it?

Is this an engine you can remove the valve cover and observe the lobes while rotating the engine?

Every cylinder is at around190psi, and when i do the leakdown test there is barely any air escaping from the cylinders.

and no unfortunately this is the design where the valve cover holds the camshafts down.

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TrevorSchlientz Autonerdz Administrator Picogroup Offline I'm an Autonerd Posts: 1,403 Grand Rapids Michigan USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #22 - Aug 12^th, 2026 at 1:55pm Albi wrote on Aug 12^th, 2026 at 1:41pm: and no unfortunately this is the design where the valve cover holds the camshafts down. Damn. This video seems to explain the timing of this engine rather well. https://www.youtube.com/watch?v=B-nQ9nj-C0M I have to call it a day. I'll check back tomorrow.
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Albi

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Re: 2016 Tiguan crank no start p0087
Reply #23 - Aug 12^th, 2026 at 2:23pm

TrevorSchlientz wrote on Aug 12^th, 2026 at 1:55pm:

Albi wrote on Aug 12^th, 2026 at 1:41pm:

and no unfortunately this is the design where the valve cover holds the camshafts down.

Damn.

This video seems to explain the timing of this engine rather well. https://www.youtube.com/watch?v=B-nQ9nj-C0M

I have to call it a day. I'll check back tomorrow.

Thsts actually the exact video I followed when I installed the chain lol.

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TrevorSchlientz

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Re: 2016 Tiguan crank no start p0087
Reply #24 - Aug 13^th, 2026 at 9:13am

Perhaps the thing to do is backup and restart this process.

Lets ignore for a moment all the service that's been done and look at this as a new project.

Here is my comprehension of the situation. Let me know if I got something wrong.

A 2016 Volkswagen Tiguan 4Motion is a no start.

* Engine: 2.0L turbo TFSI/TSI
* Engine code: CCTA
* ECU: Bosch MED17.5.2
* Engine ECU part number: 06J 906 027 JP

There is a history DTC or P0087 - Fuel Rail/System Pressure - Too Low Bank 1

The low side fuel pressure has been verified to be 80-90PSI cranking.
A manual compression check shows all cylinders ~190psi
A leak down test has little to no leakage.

There are concerns the engine MAY be mechanically out of time.

The next step is scan data collection.

Are there any codes that set on or after cranking?
Is there an RPM value in the pid data when cranking?
Is there a Cam/Crank sync pid? Does it ever indicate that a synchronization has been achieved?

Next we get more invasive.

Is ther spark from any ignition coil?

How am I tracking so far?

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Albi

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Re: 2016 Tiguan crank no start p0087
Reply #25 - Aug 13^th, 2026 at 3:14pm

Yes you got everything right so far.

“Are there any codes that set on or after cranking?” - No codes are set after cranking. Actually after I clear the codes no codes come up.
“Is there an RPM value in the pid data when cranking?”- yes between 250-500 rpm and then it dies
“Is there a Cam/Crank sync pid? Does it ever indicate that a synchronization has been achieved?” Not sure. I think you can’t check with the vcds the position of the phaser during crank. I think the car has to be at idle
Yes there is spark

UPDATE:

I went and tore up the cam covers and verified that timing is set perfect. So the question is what the hell is going on how am I 80+ degrees advanced?
Is this a phaser problem? Has the elector wheel shifted on the intake camshaft? Here are the pics below that verify timing integrity of the camshaft.

Something weird popped up. I noticed that when the crank and cams are at TDC , the number 1 piston is not. I updated a picture you can see by the hone pattern on the borescope how far cylinder 1 is from tdc.

How is this possible? Cams are set to tdc, crank is set at tdc, piston 1 is not where it is supposed to be which is TDC!! Did my crank sprocket slip from the special flat spot? or does my crankshaft have a mechanical problem?

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« Last Edit: Aug 13^th, 2026 at 4:42pm by Albi »

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JÜJA

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Re: 2016 Tiguan crank no start p0087
Reply #26 - Aug 13^th, 2026 at 8:26pm

I have done the timing of this engine quite a couple of times....

These engines feature hollow camshafts with pressed on cam lobes that can and will shift when overheating and/or with lubrication issues. Your cams are supposedly new and shouldn't be affected. Nevertheless you may have a look where the lobes point at when the camshaft marks align with TDC on #1.

The lower chain(s)' drive mechanism is a bit unorthodox, there is a kind of knurled, tapered screw that defines the lead/position of the related sprockets directly and indirectly. Though it would be hard to misalign this one you may want to look at it a second time as this my cause the piston not being at TDC while the marks all do align.

Also this is an interference engine and with that much of true misalignmet I am convinced you would have bent valves and you would not measure190 psi of compression.

If you put the piston to true TDC where is the crank alignment mark then? Is it possible you may have misread the crank mark?

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TrevorSchlientz Autonerdz Administrator Picogroup Offline I'm an Autonerd Posts: 1,403 Grand Rapids Michigan USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #27 - Aug 14^th, 2026 at 3:16am Albi wrote on Aug 13^th, 2026 at 3:14pm: Did my crank sprocket slip from the special flat spot? Right now thats what I'm bettin. You've gone this far. It can't be that much more work to take that lower gear off and make for certain the crank is in the correct location.
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Albi

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Re: 2016 Tiguan crank no start p0087
Reply #28 - Aug 14^th, 2026 at 7:27am

Bingo!

The flat part of the crank sprocket got crushed therefore crank sprocket slipped from the crankshaft about 80 degrees.

If you look at the pics, the flat part on the crankshaft is at 9 o clock(where my finger is), and it’s supposed to be at 12 o clock . That explains why piston #1 wasn’t at TDC. I’m surprised it didn’t bent valves. I hope I don’t have a surprise when I put everything back.

P.s. I love how the volkswagens dont throw a code when timing is off. instead it throws a fuel pressure code lol.

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« Last Edit: Aug 14^th, 2026 at 8:28pm by Albi »

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TrevorSchlientz Autonerdz Administrator Picogroup Offline I'm an Autonerd Posts: 1,403 Grand Rapids Michigan USA Gender:	Re: 2016 Tiguan crank no start p0087 Reply #29 - Aug 14^th, 2026 at 8:36am Isnt closure so sweet.
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