1991 Mazda MX-5 Logo
Sir Kilroy
Sir Kilroy Posted on Oct 14, 2008
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91 miata mx-5 cuts out at 2200 rpms- cant smog- check eng. lite isn't on

91 mazda miata mx-5 cuts out around 2100-2200 RPMs. Doesn't matter if it's in gear or park. Check engine light doesn't come on so there's not any trouble codes for the on-board ECU diagnostics. Car was running fine ( though it was sitting for awhile ) untill I took it for a smog test. The air bag warning light does come on and flashes 4 times- pause -4 times, etc. Cant find or hear any vacumn leaks or worn wires/connections. Please help.

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  • Anonymous Mar 26, 2009

    my 91 mazda miata mx-5 cuts out around 4000-5000 RPMs. Doesn't matter if it's in gear or park. Check engine light doesn't come on so there's not any trouble codes for the on-board ECU. The air bag warning light does come on and flashes 4 times- pause -4 times, etc. in the morning it will hardly get up to 3000 RPMs but after about 10 minuts it will run a little better please help

  • jjakakc Mar 26, 2009

    91 mazda miata mx-5 cuts out around 4000-5000 RPMs. Doesn't matter if it's in gear or park. Check engine light doesn't come on so there's not any trouble codes for the on-board ECU The air bag warning light does come on and flashes 4 times- pause -4 times, etc. Cant find or hear any vacumn leaks or worn wires/connections. in the mornings i will hardly get up to 3000 RPMs please help

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1 Answer

Chas Simpson

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  • Posted on Feb 15, 2009
Chas Simpson
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Sounds like petrol starvation - the pump may be in need of replacement.

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