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Replaced engine now engine idles rough and poor accelleration

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Check for vacuum leaks and loose manifold / gaskets. Check for correct ignition timing and adjust as required. Check and adjust idle speed (750 rpm )

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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bunnydawg
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SOURCE: 84 Z31 Turbo - Rough idle and poor slow accelleration

I would suggest a few things ... first and the most important... check that you have the wires in the proper order on the distributer. next have the timing checked.

Robert

Posted on Dec 27, 2008

  • 141 Answers

SOURCE: Po 108 fault code

Sounds more like a mass air flow sensor problem.

Posted on Jan 09, 2009

  • 881 Answers

SOURCE: 1989 toyota camry 232000miles Runs rough at idle

YOUR problem is the carby acc pump and idle jet ...... what you need to do is remove airfilter and take the top off the carby and you should see a small ball and spring under gasket ...when you open the throttle it will pump petrol to the small pick up jet and the other jet will take over ...clean out carby jets and rebuild and that should be ok

Posted on Sep 23, 2009

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Why does my 98 Hyundai Excel have problem engine problems


have the fault codes read and save money on unnecessary replacement of parts . The codes will reveal what the problem is.

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Rough idle very poor accelleration will not get up to highway speeds


Well black smoke is a rich fuel mixture. So it may be getting too much fuel or not enough air.
Is the check engine light on ?

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Engine runs rough and gets worse when accellerating


PROBLEM TROUBLE AREA
Rough idle, stalls or
hesitate on acceleration :
.Spark plug faulty
. High-tension cords faulty
Ignition problems:
• Ignition coil
• Igniter
• Distributor
. Incorrect ignition timing
Vacuum leaks:
. PCV valve and line.. .
. EGR line..
. Intake manifold.
• Throttle body
• ISC valve
• Brake booster line

• Throttle body
• Brake booster line
. Incorrect idle speed
. Reset timing
. Adjust valve clearance
. Check fuel system . Check air cleaner
. Incorrect valve clearance
. EFI system problems
. Low compression


Dec 12, 2013 | 1989 Toyota Camry

1 Answer

I replaced the fuel pump on my 2002 sunfire. It worked great the first day. The next day i needed a litre of oil so i put it in, then when i start the car it will idle but ruffly or stall. So when i put...


yes there is a trottle position sensor.
but first have engine code retrieve if any
if it run rough idle we don't talk tps
spark plugs, wires,fuel pressure if it's good alot of to do
if you have a scanner you could see the data

Oct 07, 2013 | 2002 Pontiac Sunfire

1 Answer

Engine runs rough when idling


Check the firing order, The push rod has 2 differnent sizes for intake and exhaust, If they get switch you get the rough idle

Feb 24, 2013 | 1998 Buick Century

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Stumbling Idle


possibly ajusting itsself. any severe weather/pressure changes in your area? and if so does your cars cpu compensate for this (thinks its at a different elevation etc then resets its idle proper after a certian time? I have heard of this but not sure if VW uses it) perhaps ask the service tech.

Dec 13, 2009 | 2003 Volkswagen Passat

1 Answer

Acts like it's not getting gas


Poor accelleration, stalling, running rough at idle, low power are symptoms of poor spark. With engine running, remove and replace spark plug wires one by one. when you do this you may note that the engine becomes rougher or quits on certain plugs, and does not seem to change at all on one of them. the long plastic boot has a rubber insulator at the end of it. Spark has been known to jump from this seam over to the metal tube, effectively killing that cylinder, making it seem as though you have a fuel problem. If it is really a fuel delivery issue, the pump is accessed by removing the rear seat. under that is an panel that gives acess to the pump/level indicator assembly. The fuel filter is typically on the firewall, left side (follow the tubing going to your fuel rail , you'll find it.)

Oct 11, 2009 | 1993 Toyota Celica

1 Answer

84 Z31 Turbo - Rough idle and poor slow accelleration


I would suggest a few things ... first and the most important... check that you have the wires in the proper order on the distributer. next have the timing checked.

Robert

Dec 27, 2008 | 1984 Nissan 300ZX

2 Answers

1999 Alero stalling issue


check your throttle position sensor

Sep 27, 2008 | 1999 Oldsmobile Alero

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