85 iroc-z intermittently runs bad

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03-18-2013, 07:39 AM

CYNTHIA79

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Car: 1985 iroc

Engine: 305 tpi

Transmission: 700r4

Axle/Gears: 273

85 iroc-z intermittently runs bad

5.0 tpi starts good and will run well at idle and all speeds until it is stopped and re started. Then it runs terrible,. injectors at 16 ohms, plugs dry,
no vacuum leaks, please help

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03-18-2013, 07:48 AM

Tuned Performance

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Car: 1967 Camaro, 91 z28

Engine: Lb9

Transmission: M20

Axle/Gears: J65 pbr on stock posi 10bolt

Re: 85 iroc-z intermittently runs bad

It sounds like your ecm might be the cause of the issue. The 1226870 is the worst ecm for tpi.

http://www.ebay.com/itm/85-CHEVY-CORVETTE-ENGINE-ECM-SER-1226870-/140898384967?pt=Motors_Car_Truck_Parts_Accessories&hash=item20ce32bc47&vxp=mtr

Last edited by Tuned Performance; 03-18-2013 at 07:56 AM.