Question about 1998 Lincoln Navigator

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My 1998 Lincoln Navigator's engine service light is on and the code indicates it is running lean on both banks. It idles rough at times and downshifts when going uphill. Problem? Suggestions?

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Posted on Jan 02, 2017

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SOURCE: Need help w/1998 Navigator

Coil Pack or coil packs are bad there is 1 for each spark plug

Posted on Sep 08, 2008

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SOURCE: car won't pick up speed on acceleration

You're not getting enough fuel. You should check your fuel pressure. If you have enough fuel pressure, your injectors are probably clogged up. Run a lot of fuel cleaner through your tank when you put gas in and see if it makes any difference. Lucas fuel treatment is the best to use.

Posted on Apr 26, 2009

  • 94 Answers

SOURCE: My Navigator is running lean in bank 1 and 2 how repair myself?

On your Navigator the most likely failure that will cause a lean condition on both banks is the PCV tubing. Start at the PCV valve in the passenger side valve cover and follow it to its connection to the intake manifold, and closely inspect the rubber elbows in the tubing for vacuum leaks.

Posted on Jun 28, 2009

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SOURCE: 2000 Lincoln Navigator with rough idling and service engine light

i had the same trouble, there is a rubber boot under the cover on the top of the motor, it is coming from the egr valve, takes about 5 mins to repair and less than 5 dollars.

Posted on Jul 25, 2009

  • 15 Answers

SOURCE: check engine light flashing runs rough not firing on all cylinder

take of the fuel filter and blow it out. i had the same problem with a 2008 ford f150 5.4 v8.

Posted on Apr 19, 2010

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Keeps throwing up trouble codes p1506,p1151,p0302,p0171


Definition of Diagnostic Trouble Code P1506 Audi: Closed Throttle Position Switch Does Not Open/Short to Ground BMW: Idle-Speed Control Valve Opening Solenoid Control Circuit Signal High Ford: Idle Air Control Overspeed Error (see P0507) Jaguar: Idle Air Control System RPM Lower Than Expected - B Bank Kia: IAC Valve Opening Coil Voltage High Lincoln: Idle Air Control Overspeed Error (see P0507) Mazda: Idle Air Control Overspeed Error Mercury: Idle Air Control Overspeed Error (see P0507) Porsche: Throttle Jacking Unit Lower Mechanical Stop, Signal Implausible Volkswagen: Closed Throttle Position Switch Does Not Open/Short to Ground Volvo: IAC Valve Opening Signal
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Definition of Diagnostic Trouble Code P1151 Audi: Bank1, Long Term Fuel Trim, Range 1 Leanness Lower Limit Exceeded BMW: Oxygen Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1) Ford: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Lean Jaguar: Lack of H02S-21 switch, sensor indicates lean Land Rover: Lambda control limit bank 2.Implausible signal/condition Lincoln: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Lean Mazda: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Lean Mercury: Lack Of Heated Oxygen Sensor Bank 2 Sensor 1 Switches - Sensor Indicates Lean Subaru: HO2S-12 Heater Circuit High Input Toyota: Coolant Path Clog Up for Coolant Heat Storage System Volkswagen: Bank1, Long Term Fuel Trim, Range 1 Leanness Lower Limit Exceeded
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Definition of Diagnostic Trouble Code P0302 Category: Powertrain Definition: Cylinder 2 Misfire DetectedNote: This definition of P0302 is applied to all manufacturers
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Definition of Diagnostic Trouble Code P0171 Category: Powertrain Definition: System Too Lean Bank 1Note: This definition of P0171 is applied to all manufacturers

Jun 17, 2015 | Cars & Trucks

1 Answer

My 2005 Nissan Altima 3.5 is idling at 800 rpm's, and my service engine soon light came on. The code read for a Chrysler? P1283, and Fuel pump module detected an incorrect low idle, low idle select...


Make sure you are looking up the code properly. 1283 for Nissan indicates a lean condition on bank 2. See link below. A vacuum leak is likely, but make sure the new sensor is recalibrated. Did you perform the relearn procedure after replacing the sensor? If not, see the second link below. If you ran the relearn procedure and cleared all codes but 1283 comes back, look for a loose vacuum line or leaky intake manifold gaskets. P1283 Nissan Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2 1998 2012 Nissan Altima Clear Mixture Ratio Self Learning Control Data

Jun 21, 2017 | Cars & Trucks

2 Answers

2000 Lincoln Navigator - few days ago started idling very rough when truck is at a stop or in park. Service Engine Light came right around time I noticed that it was idling rough when stopped. Following...


P1131 Lack of HO2S-11 Switch ,Sensor Lean
P1151-Lack of HO2S-21 Switch ,Sensor Lean
PO171- System to Lean (Bank 1)
PO174-Systen to Lean (Bank 2)

Fuel Filter -Plugged
Low Fuel Pressure
Evap System -Leaks
Leaks - in ducting,air filter to throttle
PCV -Leaks
Exhaust System -Leaks
O2 Sensors-worn out

Apr 06, 2011 | 2003 Lincoln Navigator

1 Answer

I have a 2000 Hyundai Sonata that runs rough when you start it up. I hooked a code reader to it and it said that system was lean on bank 1 and multi misfire and not reading 02 sensor on bank one. I have...


time to get the engine properly scanned, real time not code scanner, then you will have the readings from sensore and actuators, diagnose from there

Dec 14, 2010 | Hyundai Motor 2004 Sonata

2 Answers

Check engine light flashing runs rough not firing on all cylinder2000 lincoln navigator with large triton engine Hooked up diagnnostic and it said 1. system too lean bank #2 2. Unable to bleed up fuel tank...


you may try your rotor button and distributor cap. and spark plug wires. try your map sensor also they tend to cause a lot of misfiring if they go bad.hope this helps.

Apr 20, 2010 | Lincoln Navigator Cars & Trucks

1 Answer

Check engine light flashing runs rough not firing on all cylinder


take of the fuel filter and blow it out. i had the same problem with a 2008 ford f150 5.4 v8.

Apr 19, 2010 | 2003 Lincoln Navigator

1 Answer

98 Lincoln Navigator Check Eng light on


fuel pump is going out causing the truck to run lean and miss

Aug 22, 2009 | 1999 Lincoln Navigator

2 Answers

2000 Lincoln Navigator with rough idling and service engine light


i had the same trouble, there is a rubber boot under the cover on the top of the motor, it is coming from the egr valve, takes about 5 mins to repair and less than 5 dollars.

Jul 21, 2009 | 2003 Lincoln Navigator

2 Answers

My Navigator is running lean in bank 1 and 2 how repair myself?


why is my navigator running lean thats why my check engine light is on

Jun 27, 2009 | 1999 Lincoln Navigator

1 Answer

SERVICE ENGINE SOON LIGHT ON AND STAY ON


My service engine soon light stays on. The vihicle shakes as it idles. It act it wants to shut off. What's the problem

Dec 15, 2008 | 2000 Lincoln Navigator

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