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-   -   car has really bad acceleration (https://www.subaru-svx.net/forum/showthread.php?t=46808)

s'ko 11-04-2008 02:46 PM

car has really bad acceleration
 
I noticed this the other day while driving.

When you take off, it feels like small little shudders. I initially thought it was the tranny, but I am not sure. Tranny fluid is nice and red.

I read some other posts about the MAF and maybe a coil pack going south. The idle is smooth and it only happens under acceleration. It also seems to rev ok.

What are signs that the tranny is going to take a dive?

BW

Sov13t 11-04-2008 02:56 PM

Re: car has really bad acceleration
 
It could still be a misfire, as the majority of misfires occur at load.

I would start off by cleaning the MAF with a CRC (I believe that is the brand) MAF Cleaner (available at any auto store).

Then go from there.

-Sov13t.

1986nate 11-04-2008 03:03 PM

Re: car has really bad acceleration
 
Yes I would think its the MAF as well.

I know this isn't the best comparison but my Grand Prix I had would do the same thing but only once in a great while. Would rev perfect in neutral or park but when I accelerated it would shudder and shake like hell. Then if I let it sit for a few hours or overnight a lot of times it would be perfectly normal.

gstape 11-04-2008 05:25 PM

Re: car has really bad acceleration
 
I would say it is a bad coil... or something else ignition wise. I had a similar issue and it was a bad coil ( or maybe more than one since I replaced all six and the issue went away)


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