Question about 1994 Ford Mustang

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94 mustang 3.8 misfires. replaced crank sensor, coil pac, plug wires, plugs, cam shaft sensor. fouls plugs with gas 1,2,3,

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Posted on Jan 02, 2017

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1fastbob
  • 301 Answers

SOURCE: my 2002 mustang GT hasits a misfire on cylinder 3

Clean the mass air flow sensor.

Posted on Nov 01, 2009

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1 Answer

2003 bonneville has misfire 3 & 6.


I had the same problem with my ford and replaced the plugs wires and coil packs. that did not fix it so I replaced cam sensor and it solved my problem

Apr 09, 2014 | Pontiac Bonneville Cars & Trucks

2 Answers

Cylinders 1 and 3 misfiring on 2.4 Liter 97 chevy malibu


code p 0300 is random/ multiple cylinders ----misfires detected ===causes ---spark plugs ---HT lead/s---injector/s---ignition coil/s---low compression---wiring
he has changed a lot for nothing
a 5 year old engine can have a lot wrong with it --so new out of a crate is no guarantee
most misfires are from injector problems
it could be a loose valve seat insert so have a compression test done if moving the injectors to new locations doesn't move the misfire

Apr 19, 2017 | Cars & Trucks

1 Answer

Failed emissions got p0301,p0402 please help


V6 or 4cyl????
P0301- #1 cylinder misfire -Old/Fouled Plugs -Faulty spark plug wires/distributor or rotor (4cylinder only) -Faulty cam/crank sensor (v6 only) -Faulty #1 ignition coil or coil electrical connector (V6 only) -#1 Compression loss
P0402- EGR Issue A code P0402 most likely means one or more of the following has happened:
  • The DPFE (differential pressure) sensor is faulty and needs to be replaced
  • There is a blockage in the EGR (most likely carbon buildup)
  • The EGR valve is faulty
  • The EGR valve may not be opening due to a lack of vacuum

Jun 07, 2011 | 1996 Toyota Camry

1 Answer

Got a 2001 Chevy blazer 4.3L cranks but does not start. got 62 psi at the fuel rail, replaced plugs and wires, got good spark at coil, replacing car and rotor! if the cam sensor or crank senor are bad...


Crank sensor is primarily for the spark and the cam sensor is for fuel management, crank/cam correlation for misfire purposes I would also change the wires.

Jul 12, 2017 | 2001 Chevrolet Blazer

1 Answer

Ignition system and misfire codes. rough running and stalls at idle.


sounds like the ignition module.......it comes in 2 pieces, the coil assembly and the control module......you can measure with a resistance meter across the coils which should show about 7,000 ohms as an average....it will vary from different manufacturers......if you measure nothing or infinity, then the coil is open...replace only the coil assembly......if the coil assembly is fine then suspect the control module.....other than that, other faults could be intermittant crank shaft sensor signal, intermittant or broken spark plug wires.....broken or cracked spark plugs.....fouled plugs.....plugs that have excessive gaps, incorrectly installed wires...meaning incorrect firing order.....there could be many faults but i would check the coil assembly from your ignition module first before anything else...you'll probably find at least one of the 3 coils are open or infinite resistance......good luck

Nov 27, 2009 | 2000 Dodge Ram 1500 Truck

1 Answer

TWO DAYS AGO 94 RANGER (4 CYL) SOHC...STOPPED ON ROAD. CRANKS BUT DOES NOT START. HAS FUEL PRESSURE. CHANGED FUEL FILTER. CHANGED AIR FILTER. CHANGED ONE OF THE DISTRIBUTOR COILS...TWO SPARK WIRES WERE NOT...


If all the coils are giving spark now,then you moat likely have gas fouled plugs now,so change them out with new ones,all 8 of them.If you do not have spark on all plug wires,pull the timing belt cover,and align the cam shaft and the cam,to see if the belt has jumped.If It hasn`t,replace the crankshaft sensor.

Oct 17, 2009 | 1994 Ford Ranger Supercab

3 Answers

Car Misses after replacing the coils and spark plugs


Has the service engine light come on? If so, have the codes pulled and it will narrow down the cylinder that is causing the problem.
If no service engine light, have you narrowed it down to one cylinder or is it random.
Let me know and we will go from there.
Regards,

Mar 27, 2009 | 1995 Buick Park Avenue

2 Answers

Daewoo lanos 2000 car is misfiring and wont run properly firing on cylinders 1 and 4 misfiring


have you changed the ignition wires? perhaps firing order crossed? if not coil pack or ignition wires faulty how do you know it is not "FIREING" on 1 & 4 have you tested it with a spark tester tool???

Dec 23, 2008 | 2000 Daewoo Lanos

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