cold start question


EJ-9

EJ-9

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Joined
Apr 21, 2011
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40
hi

today i clean my car after i dont start him like 2-3 days and i put some music about 1-2 hours so when i finish to clean my car and Because the battery he's a bit old and because he stand like 2-3 day i start the car, give him fu minuts to worm and when he was on the Ideal heat i rev the rpm Slowly to +/- 4k rpm Several times..............
after i do this i remember i heard somewhere It's very unhealthy to prevent it can cause damage .....

so my question is if its true?(Considering that I was not moved my car for 2-3 days.)
 
A good hours drive will charge the battery up a bit but your better to give a 10 hour trickle charge as an alternator will never deep charge a battery. Also don't be revving the engine too hard until its at working temp.
 
i start the engine and let him work a fu minutes and when it was on working temp
I gave a few Touches on the gas until it was 4k rpm fu times and i start drive after i think i do something worng...........

It's very unhealthy to prevent it can cause damage or I can sleep peacefully?:)
 
Last edited:
You could have a vacuum leak somewhere thats causing it to rev that high. i had that problem in the past with the intake manifold gasket.

Are you throwing any codes?
 
I shorten my question.

I start my car and left him a few minutes to warm up ,and when its was on Working temperature i rev Slowly to +/- 4,000 rpm Several times.

its dangerous?
its can do some damage?
or i can be relaxed?
 
EJ-9 said:
I shorten my question.

I start my car and left him a few minutes to warm up ,and when its was on Working temperature i rev Slowly to +/- 4,000 rpm Several times.

its dangerous?
its can do some damage?
or i can be relaxed?
Click to expand...

Vacuum leak, timing issue (check with a timing light)

What condition is the cap & rotor in? How old are your leads?

Throwing any codes?
 
He is not saying it does it by fault.

He revs it to 4k RPM to try to charge it/warm it up/keep it in use
 
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