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Car pulses?????

PostPosted: Wed Mar 23, 2011 6:01 pm
by jred
Hi..This has happened to me twice already 2day and some time Sunday gone and im a but worried now cuz i don't know WTF going on....

I went to drop my mom to work and the car drove fine, on my way back home i stopped at a corner, but when i attempted to drive off the car started to buck, i checked if it was in first and it was...so i stopped put it in neutral and gave it a little rev and it was like the car rev up to 2000X rpm and drop and it kept doing this as if i was pulsing the gas pedal but i wasn't i had the pedal at a steady point, dont whats causing that can ne1 help?

PostPosted: Wed Mar 23, 2011 6:09 pm
by teal_dx
A random bouncy idle could be an IACV in need of a cleaning or an air pocket in your coolant system most of the time.
If it were a vacuum leak, it would be a constant bouncing.

PostPosted: Wed Mar 23, 2011 6:39 pm
by jred
but will those things cause it to bounce while im pressing on the gas?
when its in idle it idles normal but when i mash the gas then it bounces...

PostPosted: Wed Mar 23, 2011 7:59 pm
by teal_dx
If it's doing it under acceleration only then it sounds like an ignition issue... WHen was the last time you did a tune up? (plugs, wires, cap & rotor)

PostPosted: Wed Mar 23, 2011 8:07 pm
by jred
never....bought the car 4 months ago,
it do needs a tune up though, and yeah an electrical issue, i was thinking the same thing, will do a full tune this month...
thanks for the help dude i appreciate it very much :thumb:

PostPosted: Wed Mar 23, 2011 8:11 pm
by teal_dx
Yeah I'd start there for sure :thumb:

PostPosted: Sun Apr 10, 2011 12:26 am
by oregon_civic
check all of your electrical grounds. a short can cause all sorts of wierd problems like that too.