Guys I have a few problems need help!

Hi, I know I need to take the car to the workshop but I wanna know if some one of you had this problem in the past and how you solved it.
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Bad /weak/old battery
Either intake gasket or coil issue

That would be the the two educated guesses

Replace /charge battery ..wipe codes and see if misfire comes back ..if so check intake gasket and / or move coils around and see if follows.

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I change the coil #6 and the battery is charge I don’t know If I need to
check something specific in the battery volt o something

 

how old is the battery

 

Have a few years I think

 

Connect a voltmeter to battery ..record voltage ...start car and while cranking record voltage ...let idle record voltage

Display three numbers here

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What made you run a scan on the car? Just routine maintenance? Were there any fault lights before you started working on it? Was the engine stumbling? Is there an airbag light?

Note that the Airbag ECU and the suspension ECU share a common fuse. The airbag faults and the roadbed roughness fault may have a common cause.

Have you tried searching on this (360/430) forum for the specific codes? e.g. "P1619" (Roadbed Roughness).

https://www.ferrarichat.com/forum/posts/148042724/

 

I put the scan because I feel the car slow and stumbling. I have the airbags light in the dash on, ASR, abs and some times the check engine light too

 

Alot of what you are say/showing can be a weka battery ..please report back the numbers I asked for above

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I'd go buy a new battery

 

Go and buy one of these, be sure it will measure in the 750 CCA range. Very cheap but very useful
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Amazon sells these. $40ish, delivered to your door the next day.
You’ll have it forever and can use it on all your cars.

Like everyone else has said, sounds like a low battery, which you’ll never know until you load test it.


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My neighbor across the street have the ****tiest time with his car batteries. He replaced both batteries in his two cars, then left them sitting for two months while they went on vacation. Up on coming back, one of the two new batteries have died permanently.

So a few-years-old battery, who knows ?

 

Sometimes I leave for 2 months to. A battery maintainer goes a long way. If I were op I'd start fresh with a new battery

 

The misfire can come from over filling the oil. Check the oil level, check the MAF and make sure there is no oil. You might want to clean the MAF.

 

yeah, seriously. Just buy a new one and start fresh. That will GREATLY assist your troubleshooting.

 

Take the Effing car to a dealer or a knowledgeable indie. good christ!

 

C'mon Bernard. This is mostly a DIY site. What fun is taking the car to a dealer each time.

 

Thing is, you dont switch the charger on- always watching the electric bill. Do you still have that extension cable connected to next doors garden shed supply.

 

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Now do the crank test and voltage test without car running

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Yea my next door neighbor has a outside outlet on the side of his house. I run it underground lol

 

No wonder you are the richest man on the block- just finished changing all the cooling water hoses on the car- you need small fingers and a mirror to do those on the water pump. Vac device worked well after i modified it.