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UpUp_Away

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  • Your Pathfinder Info
    1998 Infiniti Qx4
  • Mechanical Skill Level
    Standalone Tool Chest Mechanic
  • Your Age
    22-29
  • What do you consider yourself?
    Rarely Go Off-Road
  • Model
    Other/Unknown
  • Year
    1998

Profile Information

  • Location
    California
  • Country
    United States

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  1. Was your misfire to a specific cylinder? Too bad hitachi doesn’t make the distributors anymore. What would be the next best reputable brand? Sent from my iPhone using Tapatalk
  2. I just changed the distributor 3 years ago with an absurdly expensive OEM hitachi one. I’ll double check the timing on it, and also check the bearing as well Sent from my iPhone using Tapatalk
  3. I have a ‘98 Qx4 that I should probably sell or junk and just get a new car, but I grew up with her and it’s hard letting go. The latest issue that’s popped up is an intermittent p0305 code. The engine runs smooth, I can’t even feel the misfire, but occasionally, after about 100-200 miles, the code will pop up. I did a replacement on: -new AGM battery -new spark plugs -new spark plug wires -distributor rotor and cap -ran two consecutive tanks of Techron concentrate and then Redline fuel system cleaner The engine runs even smoother than before and I figured I solved my issue. But about 200 miles later of constant commuting, as I was on the freeway, I saw the CEL come on, and sure enough… Anyone have any ideas on the next step? What could be causing a misfire that I can’t even feel, on a specific cylinder? Because of the new wires, plus, and other parts I don’t think the spark is the issue, although I can try to close the Gap a bit to get a more reliable consistent spark. With the back to back cleaners I don’t know if the fuel injector is the issue either… Attached are the photos of the freeze frame data Sent from my iPhone using Tapatalk
  4. I have a ‘98 Qx4 that I should probably sell or junk and just get a new car, but I grew up with her and it’s hard letting go. The latest issue that’s popped up is an intermittent p0305 code. The engine runs smooth, I can’t even feel the misfire, but occasionally, after about 100-200 miles, the code will pop up. I did a replacement on: -new AGM battery -new spark plugs -new spark plug wires -distributor rotor and cap -ran two consecutive tanks of Techron concentrate and then Redline fuel system cleaner The engine runs even smoother than before and I figured I solved my issue. But about 200 miles later of constant commuting, as I was on the freeway, I saw the CEL come on, and sure enough… Anyone have any ideas on the next step? What could be causing a misfire that I can’t even feel, on a specific cylinder? Because of the new wires, plus, and other parts I don’t think the spark is the issue, although I can try to close the Gap a bit to get a more reliable consistent spark. With the back to back cleaners I don’t know if the fuel injector is the issue either… Attached are the photos of the freeze frame data Sent from my iPhone using Tapatalk
  5. I have a ‘98 Qx4 that I should probably sell or junk and just get a new car, but I grew up with her and it’s hard letting go. The latest issue that’s popped up is an intermittent p0305 code. The engine runs smooth, I can’t even feel the misfire, but occasionally, after about 100-200 miles, the code will pop up. I did a replacement on: -new AGM battery -new spark plugs -new spark plug wires -distributor rotor and cap -ran two consecutive tanks of Techron concentrate and then Redline fuel system cleaner The engine runs even smoother than before and I figured I solved my issue. But about 200 miles later of constant commuting, as I was on the freeway, I saw the CEL come on, and sure enough… Anyone have any ideas on the next step? What could be causing a misfire that I can’t even feel, on a specific cylinder? Because of the new wires, plus, and other parts I don’t think the spark is the issue, although I can try to close the Gap a bit to get a more reliable consistent spark. With the back to back cleaners I don’t know if the fuel injector is the issue either… Attached are the photos of the freeze frame data Sent from my iPhone using Tapatalk
  6. I have a ‘98 Qx4 that I should probably sell or junk and just get a new car, but I grew up with her and it’s hard letting go. The latest issue that’s popped up is an intermittent p0305 code. The engine runs smooth, I can’t even feel the misfire, but occasionally, after about 100-200 miles, the code will pop up. I did a replacement on: -new AGM battery -new spark plugs -new spark plug wires -distributor rotor and cap -ran two consecutive tanks of Techron concentrate and then Redline fuel system cleaner The engine runs even smoother than before and I figured I solved my issue. But about 200 miles later of constant commuting, as I was on the freeway, I saw the CEL come on, and sure enough… Anyone have any ideas on the next step? What could be causing a misfire that I can’t even feel, on a specific cylinder? Because of the new wires, plus, and other parts I don’t think the spark is the issue, although I can try to close the Gap a bit to get a more reliable consistent spark. With the back to back cleaners I don’t know if the fuel injector is the issue either… Attached are the photos of the freeze frame data Sent from my iPhone using Tapatalk
  7. I have a ‘98 Qx4 that I should probably sell or junk and just get a new car, but I grew up with her and it’s hard letting go. The latest issue that’s popped up is an intermittent p0305 code. The engine runs smooth, I can’t even feel the misfire, but occasionally, after about 100-200 miles, the code will pop up. I did a replacement on: -new AGM battery -new spark plugs -new spark plug wires -distributor rotor and cap -ran two consecutive tanks of Techron concentrate and then Redline fuel system cleaner The engine runs even smoother than before and I figured I solved my issue. But about 200 miles later of constant commuting, as I was on the freeway, I saw the CEL come on, and sure enough… Anyone have any ideas on the next step? What could be causing a misfire that I can’t even feel, on a specific cylinder? Because of the new wires, plus, and other parts I don’t think the spark is the issue, although I can try to close the Gap a bit to get a more reliable consistent spark. With the back to back cleaners I don’t know if the fuel injector is the issue either… Attached are the photos of the freeze frame data Sent from my iPhone using Tapatalk
  8. Bump for an answer as well Sent from my iPhone using Tapatalk
  9. So this morning, it happened again. Since we eliminated the starter/solenoid/battery causes, I proceeded down to the following remaining solutions. 1. ignition key broken: I tried jiggling it and the steering wheel as I tried to start the car. I turned the key with some force. No avail. 2. I pressed on the brake, put the key in ACC, moved the transmission to neutral, and it started right up when I turned the key! So my issue seems to be related to the transmission lock, and the temporary solution would be to move the lever to N before starting.
  10. Odd, I tried to start it again just for fun, and it starts right up again. This is most confusing because I can drive it now, but I dare not for fear it may strand me somewhere until I figure out the original problem. Sent from my iPhone using Tapatalk
  11. The battery checks out fine, and all the other electronics works (audio, windows, lights, etc). For now, it may be three other things 1. Starter Relay (whatever that is, I need to look into it) 2. Ignition switch broken (although, it wouldn't explain why the car started originally after I hit the old starter with a hammer, and also the 5 days of problem free starting before the problem popped up again) 3. Transmission lock (apparently I need to try starting it in Neutral, which again, would not explain how I temporarily fixed it.) I really doubt it is one of those things, so if anybody else has an idea, that would be great!
  12. One morning before work, the ol' Qx wouldn't start. The battery was fine (load tested), the car just wouldn't crank. So I hit the starter and solenoid with a hammer which got it going again, I used this opportunity to drive up race ramps for what would inevitably be a day spent under the car. I changed the starter to a Bosch 100% new starter (which includes a new solenoid) afterwhich I drove around the whole weekend with 0 problems. Fast track to today morning, 5 days after replacing the starter, the same problem occurred. Tried to start car, and 0 cranks. This leads me to believe it may have not been the starter or solenoids fault and my original diagnosis was wrong (I'm going to bring the old starter to a car parts store to get it tested). Any thoughts on what other problems it may be that is causing the motor to not crank when I try to start it? Full Guide coming soon with future edit. 1. Drive up ramps. 2. Locate Starter underneath passenger footwell side attached to transmission, crawl further than you normally would for an oil change, behind the control arm. 3. Use 14mm long socket (extension may be needed here) to remove top bolt. Note: Some force may be needed, so gloves and a bigger socket drive handle is best. 4. Use a 14mm closed end wrench to remove bottom bolt. Note: Because the metal lines are in the way, a socket will not work nor will you be able to completely remove bolt, so just unscrew the bolt all the way and leave it there. 5. At this point, the starter will become loose, unclip the connector. Unscrew the nut. 6. Pull out starter from transmission and maneuver the starter out of the area. 7. Reverse instructions for installation (FSM recommends 35-42 Ft-lb for the two bolts)
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