Had intake manif gskt & fuel inj 1 replaced. STILL hesitates from stop/slight inclines and jerks when accelerating esp 40-50mph.Late to shift too. Some thunking sound when accelerating in midback of van? Told no fuel filter I can change so need to know fuel system pressure as I can use Autozones tool to check pressure but dont know what a good reading is? Mechanic says change transm filter but I wonder fuel.Help?
SOURCE: ROUGH IDLE AND HIGH FUEL CONSUMPTION - HESITATION
Try checking your Spark plugs (they MUST be the right type, clean, and properly adjusted: and try adjusting your timing. Either or both of these could cause this type of problem Hope it helps. If so, don't forget to rate the answer, will you?
SOURCE: Starts good, idles good but bogs down when accelerating.
its the caburtor, it blocks the fuel from the pump and it also bogs out, factory fault you need to replace the caburator and bypass all the smog stuff, just install the o2 sensor into the air intak hose thats what i did
SOURCE: hesitation during acceleration
could be the type of plug you are using.I was told only to use ngk plugs.I recently put bosch plugs in my mazda 3 and the check engine light came on and it started missfiring.
SOURCE: mazda 323 died and won't start, has fuel, spark,
it's possible you have a clogged fuel filer. change it out and try the thumb plugging again.
ENGINE HESITATES WHILE ACCELERATION
LOSS OF ACCELERATION
It
can be fuel pressure issue or it's the problem with accelerator pedal or its
clogged filters causing there.
There
are many other possibilities. I suggest you to go through the list of help
links mentioned below, these will help you to confirm where the actual fault
lies: -------
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http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html
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http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html
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http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html
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http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html
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http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html
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http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html
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http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html
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http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html
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http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html
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http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html
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These details will help.
Thanks.
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