E36 still giving problems

[xavier]

Yo guys SOOOOO my car is now finally gone worse and not starting

Iv sent it too our bmw shop here called autotech for a diagnostics test

Faults were :
Tps
Airflow
Catalic converters(my car doesn't have any coz full exhaust system)

And iv swapped out my crank sensor and can sensor with ones from a running car

She doesnt wanna start though....happened before changed the sensors......so now I'm confused and not sure as too where to go from here????


Your advice /guidance will be much appreciated as I'm close to giving up on this car

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[danieljames]

Have you checked for fuel and spark?
Have you tried disconnecting the maf?
What is your battery voltage like?
Have you checked for good engine grounding?

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[geezmo786]

I had a similar problem when i replaced my valves, I then called a buddy and he said the firing sequence could be out and i should turn my cam gear 180 degrees, Once i done that car started right away and she is still running smoothly.

Thanks.

 

[xavier]

Cars battery was charged and reconditioned....car has spark and is getting fuel....I'm gonna try and pressure test too see how's the pressure.....after that then I give up

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[xavier]

So I did a fuel pressure test from the rail.....and pressure when swinging is around 49psi wich is fine I hope so the fuel pump would be the..... What now

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[Nella11]

how did you check the feul supply...... you check the rail pressure and obviously then there must be feul. but are you certain that the injectors are actually pulsing?

 

[hoosain]

Possible dme faulty

 

[xavier]

how did you check the feul supply...... you check the rail pressure and obviously then there must be feul. but are you certain that the injectors are actually pulsing?

I did check if the injectors are getting power but I'm not sure how to check if they spraying fuel proper

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[Nella11]

sorry... my Engels tail isn't very delicious.. :thumbdo:
If you have descent feul injection and there is a spark you would definitely have some igniting in the combustion chambers.. even if you have a compression issue. but personally I doubt if it's compression related
I hate flippen quick start but try spraying some directly into the intake manifold while someone are cranking the engine. I would suggest that you first unplug all the injectors and then try the quick start. Also do this test first... what I mean is that if you definitely have spark. and there is feul there should be igniting.... BUT... if the injectors gives way to much feul or even inject a solid stream instead of a mist/vapor you won't have igniting either.
so it's no use you try quick start after you have already unknowingly totally flooded the engine
if there's a positive reaction to the quick start... then reconnect all the injectors and go and smell at the back by the exhaust while the engine being cranked.... if there's a very very strong petrol smell then you know the injectors spraying pattern is wrong... if no smell of petrol then obviously you don't get feul into the combustion chambers

---

Another thing is also how did you check for spark.... the best is to take out the sparkplug and then earth it and check if the sparkplug itself gives a descent spark.

 

[xavier]

sorry... my Engels tail isn't very delicious.. :thumbdo:
If you have descent feul injection and there is a spark you would definitely have some igniting in the combustion chambers.. even if you have a compression issue. but personally I doubt if it's compression related
I hate flippen quick start but try spraying some directly into the intake manifold while someone are cranking the engine. I would suggest that you first unplug all the injectors and then try the quick start. Also do this test first... what I mean is that if you definitely have spark. and there is feul there should be igniting.... BUT... if the injectors gives way to much feul or even inject a solid stream instead of a mist/vapor you won't have igniting either.
so it's no use you try quick start after you have already unknowingly totally flooded the engine
if there's a positive reaction to the quick start... then reconnect all the injectors and go and smell at the back by the exhaust while the engine being cranked.... if there's a very very strong petrol smell then you know the injectors spraying pattern is wrong... if no smell of petrol then obviously you don't get feul into the combustion chambers

---

Another thing is also how did you check for spark.... the best is to take out the sparkplug and then earth it and check if the sparkplug itself gives a descent spark.

---

Thanks I shall try that and yes that's exactly how I checked for spark

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[KidB]

Halo everyone. Im new to this site. I have a bmw e36 328i and when i want to change gears the revs hesitate i little bit and then drops. Can anyone help me.

You might get more responses if you create your own thread instead of hijacking someone else's.

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[Yuben]

Thread split

 

[xavier]

When the sub is on its mark......

The cam timing looks like this

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[Nella11]

You are sure you're not 360° out?

 

[xavier]

I'm gonna double check again....I was told that my rings are sticky? That's why when I get the cams in its positions the sub assembley not on its mark Aswell???? That's why it's not starting

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[Nella11]

Sticky rings and timing have nothing to do with each other. ...
According to the foto you are definitely 360° out...the exhaust valves is about to open on piston 1
You can take a long screw driver and gently push it through the sparkplug hole of piston nr 1 to feel if the piston is at the top position ...piston one must be TDC in other words totally at the top with both intake and exhaust valves lobes pointing upwards
If not just turn the engine one more time until the timing marks at the crank align again
Then post another foto

 

[jettaz]

Nice advice Nella

 

[xavier]

Ok guys soooooooo my bmw is it a machanic and he said it sometimes gets fuel n spark n it sometimes doesn't.....so the ecu looks like it's the culprit....any one else experienced this????

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[jasonracer]

Hi there.

Any updates as to what the problem was and if so have you managed to get your car running?

 

[Donovan2412]

Think he said the timing was badly out.