I have a Mazda Tribute 03 and when I accelerate it loses power and has flat spot. It stops when I go up hills. I have replaced the TPS fuel pump from catelytic converter and it has not fixed prob

Asked by Aug 15, 2015 at 07:06 AM about the 2003 Mazda Tribute ES V6 4WD

Question type: Maintenance & Repair

It seems ok for first ten seconds of
driving  then after a minute of driving  
I can't get it over 40km i have to keep
backing off accaletater just to keep
power otherwise it just keeps revving.  
If anyone could give me some advice.  
There are no fault codes coming  up
either.  Would getting a dyno tune
help.

5 Answers

293,935

Might be transmission to throttle. Have you had a good mechanic look it over for you? A dyno tune won't help, something is wrong.

Make sure your vacuum hose is hooked up from your top of the transmission pan.

Might need a transmission fluid and filter change. Pretty sure no codes will come up for tranny f- ing up. Or could be as simple as a dirty feul filter only allowing a little bit of fuel through

Or fuel pump had a similar problem kept getting worse kept throwing new sensors on it finally replaced the pump for a cpl bucks and it was ok

Or timing

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