Dead Spot In Throttle?

[Tucker]

I have a dead spot when accelerating.

Even in park and slowly pressing on the pedal, it hesitates.

Should I look at the carb, timing, and vacuum leaks? ?

 

[Pontiac Trans Am]

Start with the basics.

How old is the fuel?

Thank you,
PTA Staff

 

[Munkyslut]

Yeah, exactly as the sound advice above.

Check the fuel quality, baseline the timing, and check for air leaks on all the vac lines & fittings.

Once you’re satisfied you have a decent spark, good fuel & no vac leaks, you can start tuning.

Quadrajet?

 

[Tucker]

Start with the basics.

How old is the fuel?

Thank you,
PTA Staff

Good fuel, all new parts for the distributor, and wires.

76 esprit, 350, 2 barrel.

 

[Tucker]

Good fuel, all new parts for the distributor, and wires.

76 esprit, 350, 2 barrel.

Also, after driving for a while, and then when it sits for half an hour, it's hard to start, like it's getting no spark or fuel.

 

[Pontiac Trans Am]

Also, after driving for a while, and then when it sits for half an hour, it's hard to start, like it's getting no spark or fuel.

Look at the float.

That is usually a sign of a bad float.

Thank you,
PTA Staff

 

[Munkyslut]

Okay, if you’re happy the fuel is fine & the ignition components are providing a fat spark, then the next step is a vac leak & carb check.

The float level will need setting & that’s an excellent opportunity to check it’s condition.

Have you got a carb rebuild kit ready?

 

[Tucker]

Okay, if you're happy the fuel is fine & the ignition components are providing a fat spark, then the next step is a vac leak & carb check.

The float level will need setting & that's an excellent opportunity to check it's condition.

Have you got a carb rebuild kit ready?

There is no carb-rebuilt kit yet.

Thanks.