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Why is it not getting the power like it should

Tiny
DRIFTKILLER101
  • MEMBER
  • 1995 MITSUBISHI ECLIPSE
Yes its not getting the power like it should I had the transmission done a little while back but I also needed a used ecu so I got it out of another car so could the ecu be going out causeing it not to get power like it needs or could the transmission be goining out
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Saturday, September 29th, 2012 AT 12:32 AM

13 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Were the ignition timing checked? Have you checked for trouble codes?
Ensure throttle cable is adjusted correctly and throttle opens fully when gas pedal is fully depressed. Ensure the floor mat is not restricting gas pedal limit.
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Saturday, September 29th, 2012 AT 8:56 AM
Tiny
DRIFTKILLER101
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  • 82 POSTS
Ya dats all good and checked all I can think of now is maybe clogged fuel injectors
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Saturday, September 29th, 2012 AT 10:18 PM
Tiny
DRIFTKILLER101
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  • 82 POSTS
And where is the maf sensor located at on the engine
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Sunday, September 30th, 2012 AT 12:20 AM
Tiny
KHLOW2008
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MAF should be on the air filter.
Did you check for trouble codes?
Was anything done prior to this occurring?

I believe your question is missing something. I remember seeing engine details but they seem to have gone missing.
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Sunday, September 30th, 2012 AT 7:18 AM
Tiny
DRIFTKILLER101
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  • 82 POSTS
Yes I had a shop clean the fuel injectors before 3 times and no I havent had a chance to get the codes scanned because the car really wont make it anywhere, and the maf is it on or behind the air filter or in the tube leading from the engine block to the filter itself
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Sunday, September 30th, 2012 AT 5:20 PM
Tiny
KHLOW2008
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MAF is on air-filter housing.
I don't think it is the injectors that are causing the problem.
Did you check the ignition timing?
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Sunday, September 30th, 2012 AT 6:01 PM
Tiny
DRIFTKILLER101
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  • 82 POSTS
The ignition timing would cause the rpm not to stay up and not gain accel? And what about the throttle body sensor could that cause the same issue of bad accel, and now today its hard to crank it up
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Sunday, September 30th, 2012 AT 9:50 PM
Tiny
KHLOW2008
  • MECHANIC
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Ignition timing would affect performance, especially accelerating power but the MAF can cause this and difficult starting as well.

You need to get it scanned for trouble codes and avoid unnecessary guesswork.
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Monday, October 1st, 2012 AT 11:32 AM
Tiny
DRIFTKILLER101
  • MEMBER
  • 82 POSTS
Theres no way for me to get it to an autozone and a shop wants 75 just to do a scan
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Monday, October 1st, 2012 AT 6:07 PM
Tiny
KHLOW2008
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Have you checekd the fuel pressure? Seems like you might have a failing fuel pump.
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Monday, October 1st, 2012 AT 6:13 PM
Tiny
DRIFTKILLER101
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I just replaced it with a brand new fuel pump
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Monday, October 1st, 2012 AT 6:22 PM
Tiny
KHLOW2008
  • MECHANIC
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MAF, throttle position sensor, fuel supply, injectors, PCM and distributor are all possible causes.

Have you checked the ignition timing? I have been repating this question but don't seem to be getting any answers.

If there are things that you cannot or won't do, we can't be of any help.
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Monday, October 1st, 2012 AT 6:27 PM
Tiny
DRIFTKILLER101
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Ignition timing is good I had my buddy who a mechanic come look at it on his day off
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Monday, October 1st, 2012 AT 6:34 PM

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