Q: #6 cylinder misfire. 1999 Ford Explorer

asked by on

Hi my 1999 Ford explorer has a misfire on #6 I've replaced spark plugs wires coil egr tps idle control valve cps. Upper and lower intake gaskets I have alot of money invested in my truck runs sure I could try fuel injector $$ but what if that's not it - bent valve or broken spring some said do compression test on that cylinder but have to take off intakes to get at don't trust many shops in the meantime I'm driving it around town like it is can not reach wire on injector to pull off and run on 5 cylinders don't want to spend a dollar more (already have) most shops won't give me an idea what would be my problem or a dollar amount (we'll have to get it in and look at it car x already soaked me for$350 on both intake gaskets I know that it says if i continue to drive may damage converters or melt a cylinder sick of guessing and honesty I would most likely want to fix for $500 or less more otherwise just drive until it blows up (frustrated in MN.thank you any advice is great advice.

My car has 213000 miles.
My car has an automatic transmission.

Hi there - unfortunately, pulling the plug on cylinder 6 is necessary for the next level of misfire diagnosis: is there actually spark at the plug while running? What is the compression on that cylinder (and any other - are they within 10% of each other)? Is that plug brown or black, or wet with fuel - signifying a leaking injector? You can get to a precise answer, but it will require a bit more effort. I would recommend an engine misfire inspection](https://www.yourmechanic.com/services/engine-is-misfiring-inspection) by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and cost estimate for repairs.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. #6 cylinder misfire. 1999 Ford Explorer

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Sound as if a pulley is going out on a 1999 4.6 F-150

This is really easy--take off the fan belts. Start spinning the pulleys by hand and if the pulleys have gone out, you'll feel the bearing rattling or shaking or it'll be very hard to turn. It's very easy to check...

Q: Q: Car overheating

If you have to add antifreeze regularly, there is a leak in the cooling system. Leaks can be external (for example, into the engine compartment), internal (into cylinders, for example), or both. Leaks can be a cause of overheating (tool...

Q: Car won't start after ignition switch change.

Hi. If the vehicle was starting before you replaced the ignition switch then the switch may be defective or the switch may not be lined up properly. It is not uncommon for the security system to act up after an...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.