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All new tune up parts including wires and have64lbs.fuel pressure and great spark,so why won't she start

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You need compression as well so check that the cam shaft is turning (broken timing belt/chain)
next you need the firing order to be right so check the firing order for the plug leads

Posted on Mar 30, 2015

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Posted on Jan 02, 2017

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My 86 camry runs fine until I hit 40 miles an hour then it feels like it is skipping or missing..gets a little worse as I accelerate..any ideas?


Sounds like you're likely getting a misfire, possibly due to old spark plug wires or a fuel delivery issue. I recommend that you do a major tune-up on the vehicle, to include new spark plugs, spark plug wires, distributor, rotor, and ignition coil, and fuel filter. Once you have completed the major tune-up, (if carbureted) rebuild the carburetor and verify proper operation of the fuel pump (or if fuel injected) verify sufficient fuel pressure at the fuel rail and replace the fuel pressure regulator and/or the fuel pump if necessary.
Also, if your vehicle is equipped with an EGR, verify that the EGR is operating properly (as the EGR opens at 40 m.p.h. when the engine is warm, and if it is malfunctioning may be causing an issue).

May 21, 2015 | 1986 Toyota Camry

1 Answer

1995 z28 stumbles when you hit it hard but runs great if u ease the gas 2 it


Perform a major tune-up on the vehicle, including all new plug wires and coil packs, replace the fuel filter, and verify proper pressure at the fuel rail (replacing the fuel pump and/or fuel pressure regulator as indicated).
Consider replacing all fuel in the vehicle with fresh (preferrably non-ethanol) fuel.

May 14, 2015 | Cars & Trucks

1 Answer

2003 chevy blazer ran fine all at once engine went sluggish idles okput in gear engine rocks


Sadly, there is no "magic fixit" button on your vehicle.
Standard diagnostic procedures include:
  1. Replace the fuel filter. (Go ahead, just do it... likely your issue);
  2. Check fuel pressure at the fuel rail. If fuel pressure is inadequate or varies, begin by replacing the fuel pressure regulator. Also, verify operation of the fuel pump and make sure the fuel intake strainer in the gas tank is free of debris;
  3. Your fuel may be contaminated, especially if you have been using ethanol blend fuel. Replace all fuel in the system with ethanol-free fuel if possible. If you cannot find ethanol-free fuel, use a FUEL SYSTEM WATER REMOVER with each fill-up;
  4. Check for adequate spark. If spark is inadequate, troubleshoot the ignition system. Perform a major tune-up, including new spark plug wires and coil pack(s).

May 11, 2015 | Cars & Trucks

1 Answer

Cranks but won;t start, is it the fuel pump?


number one thing to do , are you getting spark , pull a plug wire at the plug side and put the screw driver in the hole in the wire off and hold it to ground have someone crank it over a few seconds and see if you have spark , if you are getting spark then you are not getting fuel you have to ck you fuel pressure should be around 40 lbs , but some cars vary but it is pretty high you can ck online for the right pressure , also ck your air filter believe it or not I seen some cars not start because of a dirty air filter . let me know how you make out

Jul 11, 2014 | 1993 Toyota Camry V6

1 Answer

What parts do I change to tune up my 2008 dodge caliber


For a standard tune-up, the parts needed include an air filter, oil filter, fuel filter, spark plugs, and spark plug wires. You should also have oil, transmission fluid, coolant, windshield washer fluid, and brake fluid available. A tune-up consists of topping off or replacing fluids, changing spark plugs and spark plug wires, changing the fuel, oil, and air filters, and checking the pressures of the tires. More detailed tune-ups run a diagnostic test on the vehicle to check for any codes that indicate additional issues.

Mar 16, 2014 | Cars & Trucks

1 Answer

What parts do you change when you get a tune up?


For a standard tune-up, the parts needed include an air filter, oil filter, fuel filter, spark plugs, and spark plug wires. You should also have oil, transmission fluid, coolant, windshield washer fluid, and brake fluid available. A tune-up consists of topping off or replacing fluids, changing spark plugs and spark plug wires, changing the fuel, oil, and air filters, and checking the pressures of the tires. More detailed tune-ups run a diagnostic test on the vehicle to check for any codes that indicate additional issues.

Mar 16, 2014 | Cars & Trucks

1 Answer

Fuel pump


Testing of the fuel and ignition systems is in order. Intermittent problems need testing when the problem is present, otherwise it won't help find the problem.
I would start by checking for spark on a spark plug wire (or two or three plug wires, in case it may be a bad coil), during those times when it won't start. You need to see a blue, snapping spark to verify ignition system is working.
To check the fuel system, have the fuel pressure checked, and the injector circuit checked. Good that you hear the pump, but you don't know if fuel pressure is correct, or if fuel is getting into the cylinders. One short test is to spray starting fluid or carb cleaner into the intake while engine is cranking. If engine fires up for a few seconds, you know it is a gas related problem.
If ignition system is the intermittent problem, could be failing coil or coils, ignition module, crank position sensor, even the computer, or a wiring problem like a bad connection. Testing of each component will be required, or you could start throwing new parts at it, like many people do, until you find the bad part. Find a reputable mechanic-there still are a few, lol.

Jul 30, 2013 | 1998 GMC Sierra

1 Answer

Why is there a loss of power on a 1993 mercury villager after engine gets warm


Very old vehicle, and highly likely it needs a new fuel filter and major tune-up (including all new spark plug wires, spark plugs, cap, rotor, and ignition coil).
Verify proper fuel pressure at the fuel rail, and service fuel pump and fuel pressure regulator as necessary. If you have been using ethanol blend fuel in the vehicle over the past few years, I recommend removing ALL FUEL from the vehicle and replacing it with new. Please read my "Tip" on Fixya regarding the problems with ethanol blend fuels in older vehicles (such as yours).

Aug 02, 2012 | 1993 Mercury Villager

1 Answer

2004 Dodge Stratus with 75K miles - what repairs might I need?


Usually a Major Tune Up would include

  • Replacement of spark plugs & spark plug wires.
  • Replacement of distributor cap, distributor rotor, fuel filter & air filter.
  • Inspection of the fuel system, emission system & ignition system.
  • Adjustment of the dwell, timing, & fuel mixture to OE specs.
Cost to perform all these at a shop will vary greatly, to DIY probably around a couple hundred dollars.

Feb 24, 2009 | 2006 Mitsubishi Eclipse

6 Answers

Rough idle code P0300


check the fuel pressure when u get a po300 code that means there has been a missfire. if your fuel pressure is low it will cause missfires.

Jan 01, 2009 | 2000 Chevrolet Impala

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