94 se won't rev past 2.5k rpm

Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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The Third
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Joined: Mon Jul 15, 2013 3:23 pm
Year and Trim: 94 Bonneville SE

94 se won't rev past 2.5k rpm

Post by The Third »

When the car is in od or drive it won't rev further than 2500rpm. If I select 1 and 2 manually it will pull hard all the way to redline, it will also rev past 2500 in park but will die immediately after if I let off the throttle. The crank position sensor, tps, fpr, and fuel filter are new within the past 5K miles. The check engine light does come on intermittently, but being a 94 I have no way to scan it.
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The Third
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Posts: 22
Joined: Mon Jul 15, 2013 3:23 pm
Year and Trim: 94 Bonneville SE

Re: 94 se won't rev past 2.5k rpm

Post by The Third »

Anybody?
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J Wikoff
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Year and Trim: 1992 SSE
2009 G8 GT
Location: Central Illinois
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Re: 94 se won't rev past 2.5k rpm

Post by J Wikoff »

Hmm. Many parts stores will loan you a scan tool. Just gotta specify it's the hybrid obd 1.5 pcm.
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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights
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The Third
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SE Member
Posts: 22
Joined: Mon Jul 15, 2013 3:23 pm
Year and Trim: 94 Bonneville SE

Re: 94 se won't rev past 2.5k rpm

Post by The Third »

I've tried all the parts stores around here, as soon as I mentioned obd1.5 they looked at me like I had just asked them what the meaning of life was. I'm going to be putting the car up for sale in a few days, I was just hoping I wouldn't have to list it for a few hundred less because of a minor issue.
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Popcorn
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Joined: Wed May 28, 2008 9:47 pm
Year and Trim: 1994 SE (stock)

Re: 94 se won't rev past 2.5k rpm

Post by Popcorn »

When my '94 did this, the pcm was bad. I replaced it with one from Adv Auto and it lasted three
months before failing exactly the same way. With their one year warranty I got another one and
it has lasted since then, about 10 months so far. :wink:
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