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car wont go over 35-40 mph!!

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darrinevans253

Probationary Member
18
0
Jun 7, 2011
auburn, Washington
How's it goin guys I just bought a 1990 plymouth laser (turbo)... I don't kno too much about turbos still learning about them... so it starts up fine smells like its burnin fuel little bit of black smoke. But when I drive it, it won't go anything over 35 to 45 and sounds like shit and boggs and starts jerking but I can shift through all my gears... I can't figure it out for nothen ### help! Thx guys!

And won't go over 3000 rpms
 
The transistor (Ignition control module) will kill of cylinders if its bad, I had the same problem with my 2G and it ended up being a bad transistor.
 
You haven't given us much to go on here....
Is the check engine light on? Here is a short list of possibilities:
Bad MAF
Bad spark plug/ignition wire
Oil leaking into spark plug tube
TPS
Ignitor
CAS
Ignition timing

I could go on for a while, but how bout starting with the basics. Does it seem to run real rough at idle? If so, start by checking your plugs and wires. If it misfires under a load, it could be the wire shorting to the head.
Don't overthink a problem until the simple stuff has been checked. Get back to us with the findings.
 
i had a parts car that i had to drive home that was sortof like this, the turbo was seized.

check that also, just pop off the intake and see if it spins freely
 
I had the same problem with my 91 talon awd turbo when i first bought it..
It would not go past 4grand whatsoever shifting normal or when i get on it..
Swapped the ecu with an eprom and everythings cool now ;)
Spooling hard to redline.
 
well I have a 92 talon that someone started to pull apart, I got the car on trade, put it back together and looks like I missing a few things like iac, and thermol valve, now should I be able to rotate the blow off arm, dose anyone have a iac or thermol valve. also my car runs fine but just will not go over 25 revs fine I need help Kalispell mt if there is someone out there that can help me406-755- 3330 please call It would be better for me thanks
 
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