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Engine misfires at 50 to 65 mph - 1995 Oldsmobile Cutlass Supreme

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1 Answer

Engine V6 is hesitating when accelerating over 40 mph


Burn ignition coil get the car pass on a scanner im sure you get a misfire code

Mar 16, 2015 | 2008 Ford Escape

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Engine misfire and transmission sluggish


you need to repair no 1 cyl. misfire it will misfire when engine load is present. if you want to test it .push brake pedal engine running and shift into forward gear and with the other foot raise rpm to 2000rpm you will feel the misfire
hope it helps

Mar 31, 2014 | 2006 GMC Envoy

1 Answer

Car is sluggish and shakes when gets up to 50 mph


sounds like engine misfire to me. but it takes a mech, driving to tell.
if engine misfires?
try getting a 60k mile full tune up.
open glove box, see opr guide? see service list, see 60k column (it repeats)
bingo.?
filters (air/fuel), fluids, spark parts. (generic list, RTM)
or login to alldata.com and click maintenance then full chart
then see all things in the 60k column, those.

Feb 05, 2014 | 1997 Acura RL

1 Answer

NEED DRIVE CYCLE FOR 2004 CRV TO RESET CAT AND O2 MONOTOR


Here is the info

NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run.

1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge.

2. Turn the A/C and rear defrost off, and accelerate to 55 mph at half throttle. OBDII checks for ignition misfire, fuel trim and canister purge.

3. Hold at a steady state speed of 55 mph for three minutes.

OBDII monitors EGR, air pump, O2 sensors and canister purge.

4. Decelerate (coast down) to 20 mph without braking or depressing the clutch. OBDII checks EGR and purge functions.

5. Accelerate back to 55 to 60 mph at half throttle. OBDII checks misfire, fuel trim and purge again.

6. Hold at a steady speed of 55 to 60 mph for five minutes.

OBDII monitors catalytic converter efficiency, misfire, EGR, fuel trim, oxygen sensors and purge functions.

7. Decelerate (coast down) to a stop without braking. OBDII makes a final check of EGR and canister purge.

Oct 02, 2010 | 2004 Honda CR-V

2 Answers

Reset computer in doege stratus wont pass inspection drove 50 miles and computer still didnt reset help


U have to operate the engine at all kinds of diff speeds and drive modes, it is called a OBDII drive cycle, here is how u do one.
1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge.

2. Turn the A/C and rear defrost off, and accelerate to 55 mph at half throttle. OBDII checks for ignition misfire, fuel2_bing.gif trim and canister purge.

3. Hold at a steady state speed of 55 mph for three minutes.

OBDII monitors EGR, air pump, O2 sensors and canister purge.

4. Decelerate (coast down) to 20 mph without braking or depressing the clutch. OBDII checks EGR and purge functions.

5. Accelerate back to 55 to 60 mph at half throttle. OBDII checks misfire, fuel trim and purge again.

6. Hold at a steady speed of 55 to 60 mph for five minutes.

OBDII monitors catalytic converter efficiency, misfire, EGR, fuel trim, oxygen sensors and purge functions.

7. Decelerate (coast down) to a stop without braking. OBDII makes a final check of EGR and canister purge

Jun 02, 2010 | 2004 Dodge Stratus

2 Answers

Misfires. I have a 1998 Camry 2.2 with 200K miles. The


Hi, my first recommendation would be to take the plugs out and visually inspect each one and check to make sure they are properly gapped, if they look fouled at all i would replace them without hesitation. try throwing a set of NGK plugs in the car to fix the misfires. other than that you may want to look at the wires. good luck joe

May 22, 2010 | 1998 Toyota Camry

1 Answer

02 altima 145,000 miles, original owner. serviced


If you get ck engine light on , you have a cyl. number
that misfires , ck vacuum leaks on intake manifold around that area aspecially intake manifold gasket.

May 02, 2010 | 2002 Nissan Altima

1 Answer

1997 jaguar xj6 Misfires


try replacing leads

Dec 11, 2008 | 1997 Jaguar XJ6

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