car stumbles off idle or coast

maxim123

Registered User
when idling, if i hit the gas my car will "Stall" puff black smoke and then takes off. I would call it a bog. It also does this if i'm rolling and let off the gas and coast then nail it. any ideas...
 
also clean the fine wire in the mass air flow sensor with spray if its dirty it will hesitate
 
You have to stick a pin through the green wire of the TPS and use a volt meter to check the voltage. Ground one lead and touch the other to the pin. Do this with the key on, engine off. Voltage should be around .9 - 1 volt. With the throttle wide open it should show around 3-4 volts (not sure exactly what voltage). If the throttle position sensor is really bad like mine was then it will throw a check engine light.


c.kell said:
same problem here.

Explain for the TPS please
 
tps

guess your probably right ... and it ain't the first time.... good thing i replaced the screws with bolts, i suppose.. could it be anything else though
 
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