Question about 2001 Mercury Cougar

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Jerking during take off and driving. Had spark plugs, wires & fuel filter change.

Posted by on

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Do you not test drive your car ,before or after
paying for work ,you authorized ?

If it isn't working correctly,then it must be
acceptable to you !!

Why have you not returned, and asked
thoses questions to the folks that took
your money

You went there to solve a problem &
got nothing WHY ??

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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3 Answers

What could be causing my 2003 grand am to jerk in first gear and sometimes when I put it in reverse or drive?


While driving in first gear it jerks or when you engage first gear it jerks ? Please clarify ! If the first ,sounds like a misfire ! spark plug ,plug wire , !

Jun 19, 2015 | 2003 Pontiac Grand Am

1 Answer

How come while driving my transmission sometime jerks?


interesting, ricky ? could b anything. fuel filter needs changed, the fuel we use today is garbage, ethanol is bad for our older engines. add some of that new dirt to tank, something360. ??? also, maybe a wire connection is loose., or bad spark plug wires? something is missing its continuity , making the engine miss, not your transmission, u hope ? start with checking your battery conn., clean, tight, etc., replace plug wires, change spark plugs, maybe ? but your plug wires could b the problem. ??? think about it, engine starts ok, its when its running does the problem come up. you have fuel, you need spark, you also need clean air .......... change air filter....... pcv valve......egr valve ?? could b sticking ......you treat yourself good, yes? treat your engine good...whens last time the transmission fluid and filter was changed ??? that could also cause a miss, a surge......yes? i hope this helps you ricky, just use common sence, it always serves me well, good luck, ken

May 14, 2014 | 1999 GMC Suburban

1 Answer

Why the sudden jerking?


Fuel filter clogged and or impurities in the fuel system.faulty or incorrectly gapped spark plugs.Fault in fuel electrical system.Defective spark plug wires. Faulty emission system components.Vacuum leaks at the throttle body intake manifold or vacuum hoses. I would first look at the fuel inline filters it sounds like this is the likely problem.

May 29, 2013 | 1995 Jeep Cherokee

1 Answer

Jerking/jumping while driving


An automobile's ignition system may work fine while idling but fail during acceleration. Problem areas to be inspected include the spark plugs, spark plug wires and vacuum hoses. Car owners should look for spark plugs that are covered in oil or sediment or damaged, spark plug wires that have damaged insulation, and vacuum hoses that are unplugged or leaking. Fuel Problems
  • The use of a fuel additive that contains both fuel injector cleaner and water remover can fix minor problems due to water in the gas and fuel injector clogs. A fuel pressure gauge can also be used to test the injection system to assure proper pressure.
While most acceleration problems are likely caused by problems with the plugs, wires or fuel, a variety of sensors and other components can cause similar problems. a bad tps ( throttle position sensor ) will cause causes transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on takeoff, and surging while going down highway.
good-day ! check and or clean maf sensor if need be. you can by the maf sensor cleaner at most auto parts stores.

Mar 19, 2012 | Jeep Cars & Trucks

1 Answer

I have a 1990 mitsubishi might max it wont run smooth unless you keep your foot on the gas and keep the rpms up a little bit and it wont drive cause it stalls everytime you try to move it. ive replaced the...


You've already eliminated the spark plug & wireset, distributor cap & rotor.
Sounds like your car needs a tune-up, specifically, the PCV (positive crankcase ventilation) valve, and/of the EGR (Exhaust Gas Recirculation) valve.

Components checked/replaced during a tune-up are:
air filter
motor oil
motor oil filter
breather filter
fuel filter(s)
fuel strainer
PCV valve
EGR valve
spark plugs
spark plug wires
ECM or distributor cap & rotor
cabin air filter
transmission oil filter
transmission oil
engine coolant
check all vacuum hoses and lines

Troubleshooting the no-start condition - from the 1990 Mitsu Mighty Max Repair Manual:

Priority Action Part Type -- Cause
1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap -- Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil -- Faulty Ignition Coil.
6 Inspect Wireset -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive -- Faulty Starter Drive.
15 Inspect Fuel Injector -- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer -- Clogged or Dirty Fuel Pump Strainerat.
17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC.
18 Inspect Fuel Tank -- Fuel Tank Empty.
19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke.
20 Inspect Distributor -- Worn, Loose, or Incorrectly Installed Distributor.

Aug 17, 2011 | 1993 Mitsubishi Mighty Max

1 Answer

I have a 1997 GMC Suburban. It is shaking and jerking when idling and also during normal driving. I changed fuel filter, spark plugs, wires, distributor, and air filter. Still have the same response. No...


Have you figured out the problem??? My suburban is still doing the same thing after I replaced the same parts, plus more! I'm about to replace the fuel pump. Here goes nothing...

Aug 05, 2011 | 1997 GMC Suburban

1 Answer

My 1996 4 cylinder, manual trans, dodge avenger buckles/jerks while driving after 20 - 30 minutes. Engine light is on - multiple misfires. Performed cylinder pressure test, each cylinder is 160 psi....


on the side of the engine near the oil filter is the crankshaft position sensor. some time those get heat sensitive .noamaly the sensor is not to pricey. so its more cost effective to just replace it.


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May 13, 2011 | 1996 Dodge Avenger

1 Answer

My car skips/jerks while driving


could be a couple of things last time tuned up meaning changed ,spark plugs, wires,fuel filter air filter oil change depending on condesation level put some dry gas in gas tank

Feb 28, 2010 | 1998 Jeep Cherokee

1 Answer

1998 nissan maxima is hestating while driving. slight jerking what could be the problem


first try changing fuel filter, then check spark plugs, & fuel preasure

Jun 22, 2009 | 1998 Nissan Maxima

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