True ... and a bad map sensor can both cause similar symptoms itself, and 
cook a cat.


----- Original Message ----- 
From: "Bob Bundy" <[EMAIL PROTECTED]>
To: <[email protected]>; <[EMAIL PROTECTED]>
Sent: Saturday, April 19, 2008 10:33 AM
Subject: Re: MiniMe running like crap


> Symptoms sound strangely like a plugged up cat to me. Not a lot of 
> misfiring
> or sputtering but no power under load.
> The ceramic core cats can overheat and crack apart due to really poor
> fueling and timing or sometimes just from getting whacked by a rock or
> something. a loose piece of core can shift and lodge slightly sideways and
> it can cut off most all flow.
>
> Bob
>
>
> ----- Original Message ----- 
> From: <[EMAIL PROTECTED]>
> To: "MiataPower" <[email protected]>
> Sent: Saturday, April 19, 2008 12:34 AM
> Subject: MiniMe running like crap
>
>
>> Symptoms:
>> Completely gutless power.  Anything more than light throttle has
>> absolutely no effect - car goes nowhere FAST.  Max speed I was able to 
>> hit
>> was ~40mph - feels like the engine is being choked - reminds me of 
>> driving
>> a kiddie style gokart with a governed engine.
>>
>> I was trying to get my car to pass smog earlier this week so I swapped 
>> out
>> the fuel rail, valve cover, installed the AFM, recirculating BOV, etc.  I
>> am running an AEM ecu and the AFM was ignored since I was running off the
>> MAP sensor so it was there just for the visual test.  I also had the Begi
>> AFPR installed for looks - it was not plumbed in.
>>
>> So tonight I put the FM dual feed rail back on, VTA BOV and now the 
>> engine
>> has NO power under load.  I can rev the throttle and it feels fine, but
>> under load the car has no power.  Unfortunately I didn't have my laptop
>> with me so I could not log into the AEM to monitor the sensors - could a
>> faulty connection to the MAP sensor be causing the lack of power under
>> load?
>>
>> There are NO vacuum leaks.  Any other things to look for?
>>
>> Thanks,
>> Mike
>> _______________________________________________
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>
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