92 buick roadmaster

Asked by Jan 26, 2017 at 12:37 PM about the 1992 Buick Roadmaster 4 Dr Limited Sedan

Question type: Maintenance & Repair

On my 92 buick roadmaster 5.7l tbi I've
replaced a lot of parts on it but still have an
issue... it starts right up idles fine revs up
fine in neutral but when you put it in gear
and try to give it a little bit of gas it spits and
sputters you can floor it and it will spin the
tires an take off but when you give it just a
little bit of gas or take off normal it's
messing up idk what else to do can anyone
help before I lose my mind...     just to give
you an idea I've changed the fuel pump an
filter, distributor cap, rotor button, wires,
plug, ignition coil module

2 Answers

98,575

I suggest that you have the system "live data" scanned, that way a person can see in real time what the sensors and the computers responses are at any given time, you could have a slight intermittent open in one or more of the sensors, like the TPS or ECT.

1 of 1 people found this helpful.
98,575

Yes you can do a live data test on an old OBD 1 unit it just takes a little longer to find problems.

1 of 1 people found this helpful.

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