Alfa Romeo 164 V6 TURBO Busso Complete diagnosis and repair. Crank no start and backfire. No power

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Hello guys! Again with a beautiful Alfa Romeo 164 V6 Turbo "Busso". This time it starts badly and has little or no resistance to idling! Step by step here we will see what really happens! A car that has been parked for several years and has "changed everything" and is still not good. After several workshops and many towing miles, it reached me. With calm and a few more gray hairs, I did it!
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Where i do my research of parts: www.eper.fiatforum.com
Where i buy OEM parts in PORTUGAL:
JRParts www.jrparts.pt/
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(+351)244820770 lojaonline@jrparts.pt
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Parts e-mail: vitorjoao.lizitalia@lizauto.pt
Alfista salutations!
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23 ноя 2023

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Комментарии : 66

@melnikov79 8 месяцев назад

ok. let's start. 1. then i dont hear any cough from your engine after first seconds, i thought it should be fuel pressure. ok, its good that you managed to find this problem. 2. some time ago we were trying to solve the problem with low power on 2.0 v6 tb. and i remember from docs, that fuel pressure should be 4.0 bar, not 3.2 like on n/a 164s. so it still can be wrong pressure regulator, from n/a car. so, please check the part number on it. 3. fuel pressure drops immediately after the engine was shut down, there is still a leakage somethere. 4. you still can check that your fuel delivery is goog without any pressure gauge - just detach fuel hose after fuel regulator and attach other hose to any bottle. if there any fuel after crank, it means, that pressure is ok. but you can also check the amount of fuel in litres/minute delivered to your bottle after pressure regulator. it's table data for every fuel pump. i dont remember exactly for turbo version, but for n/a 3.0 i beleave its something about 120 l/h, so 2l/min should be delivered to your bottle ;)

@alfaromeonoproblem 8 месяцев назад

Hello. Thanks for watching. With the hose detached the flow was correct. It was when it was connected that the pressure was low. Thank you very much for your information. Have a great weekend

@nikolasruzickaV6busso 3 месяца назад

hi, seems like you know 164 very well and busso too, can i use 2.0 ts 164 gearbox on 3.0 v6 164 ?

@melnikov79 3 месяца назад

@@nikolasruzickaV6bussono, they are completely different engine blocks and have different attachment points. thats why busso gearbox costs a lot..

@AllanChristensen-wx6xn 8 месяцев назад

I was surprised that you did not suspect the fuel system more along the way, as it was not really running at all at low revs, but great that you finally got it up and running again :)

@alfaromeonoproblem 8 месяцев назад

Hello. Because I drained the tank with the pump and it seemed very powerful. But issue was no pressure when connected. That trow me off

@barmalini 8 месяцев назад

Once I was about to buy an Alfa Romeo, It was model 156, black with red leather upholstery and despite beind 4 years old, it shined like new. But when I pulled the seat belt out of the holder far enough, it was stained with what could have been blood or perhaps the previous driver's leaking brain. It's a shame, the car was beautiful and obviously pretty well restored, nevertheless I had to pass on it. Just kidding, in reality I was shoked and run out of that garage as fast as I could. Thank you for your video, it revived my only experience with the brand. I wish you and your viewers only good moments with their Alfas.

@alfaromeonoproblem 8 месяцев назад

Thank you very much for watching and thanks for sharing your story

@martinbrengartner3036 8 месяцев назад

Another Busso Alfa on the Street , thanks Bruno 😆😆😍😍😍

@alfaromeonoproblem 8 месяцев назад

Thank you very much! And this one did a 400 Kms trip home! I'm glad you watched!

@jecin08 3 месяца назад

Super!!!

@__Dany 8 месяцев назад

Nice video it helps a lot understand possible issues a 164 might have, nice job man! I'm restoring a 164 Q4 almost entirely by myself, it has been sitting still for almost 18 years, hoping to not deal with electrical issues like you did.

@alfaromeonoproblem 8 месяцев назад

Thank you very much for watching! If you need something let me know. And I have a playlist for 164 and 166

@nsz2302 8 месяцев назад

The best video so far! Keep on the good work!!!

@alfaromeonoproblem 8 месяцев назад

Thank you very much! I was doubting it, seeing the result of the views. It is always very difficult to know if I'm going in the right direction.

@nsz2302 8 месяцев назад

@@alfaromeonoproblem i own a 166 with the 2.5v6 and it is so difficult to find quality content on these cars. You made my day!

@alfaromeonoproblem 8 месяцев назад

@nsz2302 I will have at least 5 more videos for that engine and model next year. Already edited and ready

@nsz2302 8 месяцев назад

@@alfaromeonoproblem good stuff! can't wait!

@jal1797 8 месяцев назад

Hello and nice video again.I haven't managed to solve the morning misfires of my 147.I checked fuel pump,cleaned injectors,changed leads, spark plugs and nothing.When it is well warmed the engine is like I bought it new.

@DashCamSerbia 8 месяцев назад

Bad temperature sensors? For the coolant or the air intake?

@alfaromeonoproblem 8 месяцев назад

Check in the morning before starting if the spark plugs are not filled with oil

@jal1797 8 месяцев назад

Thanks both of you I will check.

@paulwootton5378 7 месяцев назад

Don't forget the basics...spark, fuel, compression. I guessed at the beginning (lucky guess) that it was fuel...you also said the same thing (old fuel)...and...apart from everything else..it was fuel delivery...

@melnikov79 8 месяцев назад

@alfaromeonoproblem Bruno, you are wrong. It was 2 valves: 1 on fuel pump, which allows fuel flow from the pump to pressure regulator and not in another direction. 2 - pressure regulator itself. which opens ONLY when fuel pressure exceeds 3.2(or 4bar, it depends on the pressure regulator model). And you with short rubber hoses and clamps introduces 3rd (at least) valve, wich opens after 1 bar and leaks fuel into the tank)) Since this hole is small, fuel flows out slowly, as shown by the pressure gauge arrow... And one moment. No matter what kind of rubber hoses I put there, they last from 2 to 12 months. The issue was resolved only by installing plastic ones.

@user-ed7rp9cf7m 8 месяцев назад

It was a common problem for the 164 the hoses of the fuel pump...

@alfaromeonoproblem 8 месяцев назад

Hello. Thanks for watching.

@nikolasruzickaV6busso Месяц назад

Hi Bruno ! ❤ i need your help again 😂 my 164 3.0 got an issue with bad starting needs to crank it twice for like 5 secs before it will start and when it starts its having slight missfire like it coughs and then it pics up and idles perfectly and power delivery is not smooth too, it feels like its having flat spots in midrange and its loosing litle bit of power any ideas ? Seems like its started happening after i changed that little fuel hose that goes in to the fuel rail between heads, hose is the same inner diameter its not bend anywhere

@alfaromeonoproblem Месяц назад

Hello. Check out the temperature sensor for the ECU and the connectors

@juharuotsalainen6938 7 месяцев назад

164.3.0.v6 12v tell me when do you know that the crankshaft needs to be polished? if you can't feel unevenness with your fingers and nails, is it ok even if the best shine is gone?

@alfaromeonoproblem 7 месяцев назад

You have to see that with the machine shop. Also you have to check for roundness and thickness

@pov_driver 8 месяцев назад

It seems it took you too long to figure out what the problem was. Nice video though.

@alfaromeonoproblem 8 месяцев назад

Thanks for watching. Yes, it took a bit. Other workshops messed a lot with it too

@user-bj3fj2bg3j 7 месяцев назад

Hello Bruno , keep it up brother. My 164 v6 turbo 1992 model starts sometimes and other times I get no power to the coil while cranking. Any clue how can I resolve the issue with no power on the coil ? Thank you!

@alfaromeonoproblem 7 месяцев назад

Hello. The coil gets power from the ignition and ground from the ECU. The ECU controls external relays for that. Check out the relay pins and fittings.

@user-bj3fj2bg3j 7 месяцев назад

Thank you ! I just don’t know which relays are for this purpose..

@alfaromeonoproblem 7 месяцев назад

@user-bj3fj2bg3j check out just next to the air filter box. Removing the the mass air flow meter

@user-bj3fj2bg3j 7 месяцев назад

Thank you will do and let you know !

@DashCamSerbia 8 месяцев назад

Great job man. BTW, do you happen to know what causes steering wheel squicking noise at the steering wheel itself? I found on some forum that the two bolts under the steering column, under the bottom plastic trim behind the steering wheel, come just a bit loose and need tightening. Do you know the torque value for them?

@alfaromeonoproblem 8 месяцев назад

Hello. On the 159? No, never encountered that issue so far. Sorry

@DashCamSerbia 8 месяцев назад

@@alfaromeonoproblem Ops. Yes on the 159. Oh well. :I

@alfaromeonoproblem 8 месяцев назад

@DashCamSerbia you know that certain issues may only appear depending on the climate you are in. Even on the same country

@DashCamSerbia 8 месяцев назад

@@alfaromeonoproblem Yeah. The same noise I get on Sandero, but only during winter. On 159 I get in all the time, summer and winter. It is comming from inside the steering wheel, it is not further away on the steering column.

@DashCamSerbia 8 месяцев назад

@@alfaromeonoproblem BTW, I was at my parents today. And on their CItroen C3 1.2 PureTech 82hp 2017, when the engine is running on idle, when I release the clutch (when it goes back all the way) I hear a click from the engine compartment. When the engine is off, there is no sound. Is it possible that it is the throw out bearing? It only had done about 35 thousand kilometers.

@juharuotsalainen6938 8 месяцев назад

when the 164.3.0v6 12v is turned off, is there supposed to be pressure in the gas distribution? and how long should it stay and what keeps it turned off if it should stay?

@alfaromeonoproblem 8 месяцев назад

Hello. Just a bit of residual pressure. About 1 bar.

@juharuotsalainen6938 8 месяцев назад

what's wrong if it goes to zero when you turn it off?@@alfaromeonoproblem

@juharuotsalainen6938 8 месяцев назад

what do you think, if the 164 alfa has been standing for a long time and the brakes don't work, is it worth refurbishing or ordering new saddles? at least the cylinder head will be new...@@alfaromeonoproblem

@alfaromeonoproblem 8 месяцев назад

@juharuotsalainen6938 you can have a longer crank time.

@juharuotsalainen6938 8 месяцев назад

when the repair kits should be bought from autodoc, when the original ones would cost too close to new ones, it makes me wonder..@@alfaromeonoproblem