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WOT misfire, please help

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Old

Feb 7, 2011 | 08:38 PM

#1

Thread Starter

Member

iTrader: (1)

Joined: Jul 2010

Posts: 122

Likes: 0

From: Houston Texas

Car: 89 Formula Firebird

Engine: 350

Transmission: 700 R4

Axle/Gears: 3:27

WOT misfire, please help

Hey guys ,my 89 350 tpi has been acting very weird lately,

it has a irradic idle hot or cold but drives fine during cruising speed and completly misses and backfires under wide open throttle

ive changed plugs, wires , o2 sensor and checked the injectors for leaks etc.

any advice is greatly appreciated. Thanks

Old

Feb 8, 2011 | 10:08 AM

#2

Thread Starter

Member

iTrader: (1)

Joined: Jul 2010

Posts: 122

Likes: 0

From: Houston Texas

Car: 89 Formula Firebird

Engine: 350

Transmission: 700 R4

Axle/Gears: 3:27

Re: WOT misfire, please help

Old

Feb 8, 2011 | 10:35 AM

#3

Junior Member

Joined: Oct 2010

Posts: 42

Likes: 0

Car: 90 Firebid

Engine: 3.1

Transmission: 700r4

Axle/Gears: 10 bolt posi w/4.11s

Re: WOT misfire, please help

clean MAF and Throttle position sensor first and go from there

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