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l98 surging and wont start when hot?

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Old Jul 20, 2009 | 09:36 AM
  #1  
resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
l98 surging and wont start when hot?

I have a 91 l98 converted to 5 speed I bought the car yesterday knowing the problem of the surging idle. But I noticed after running the car for a while that when it warms up it sometimes doesnt like to start? it will crank but not start>

any ideas Tps sensor map sensor? something I dont know.
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Old Jul 20, 2009 | 05:00 PM
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From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Re: l98 surging and wont start when hot?

Ohm the injectors. You should be ~16.
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Old Jul 21, 2009 | 09:32 AM
  #3  
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
Re: l98 surging and wont start when hot?

also noticed that it back fires when i let off the gas sometimes.
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Old Jul 21, 2009 | 10:59 AM
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resop27's Avatar
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From: Wentzville Mo
Car: 89 325is, 91 z28
Engine: 2.5l 6, l98
Transmission: t56
Axle/Gears: 3:42
Re: l98 surging and wont start when hot?

Ok I checked the injectors and came up with 4 under 8 ohms. Next question where the best place to get a set of injectors I figure its best to just replace them all but where to buy them, local auto parts stores want almost 60 for a single injector.
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Old Aug 12, 2009 | 09:23 PM
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From: Peterborough, Ontario
Car: 1989 Camaro RS
Engine: 1990 - 5.7
Transmission: Tremec 3550
Axle/Gears: 9 Bolt - 3:45
Re: l98 surging and wont start when hot?

www.southbayfuelinjectors.com their a sponsor for this board.
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