Car hold back at 4000rpm

10

Asked by May 15, 2017 at 08:01 PM about the 2003 Mitsubishi Galant

Question type: General

I have a problem with my vrg galant when I am
driving an rev to 4000rpm it starts to hold back I
change fuel filter an clean mass air flow an fuel
pump in the thank I change plugs I really need
some help please

4 Answers

10

So what could be causing that

1 of 1 people found this helpful.
25,525

to move on to the exhaust side...hows the flow out of the cat.. standing still at 4500 rpm? alot more than at 1000 rpm? also hows the load fuel pressure? the normal pressure specification at idle should be at 38psi and with the pressure regulator vacuum hose disconnected it should be 47-50 psi.

1 of 1 people found this helpful.
67,395

Many newer vehicles have a rev limiter programmed into the computer to prevent engine damage. This could be what's going on. The computer won't allow you to rev the engine past the 4000 RPM mark. HTH. -Jim

25,525

if the rev ind.kicked in then theres a engine problem///wish i had more info !

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