20 Most Recent 2001 Nissan Frontier Crew Cab - Page 4 Questions & Answers

misfire, has many cause, i have 50 reason list. for get that.1: bad engine compression, or other major engine issues. mech.2:bad spark3: bad fueling. (too much or too little)it only takes a few tests to find which it is, and in that order.above assumes, 13.3 to 14.7v at the EFI system at all times running.and EGR is not leaking.what does engine light mean.are you saying the CEL , check (service) engine light glows running? if yes ? why not scan it and report all DTC codes present. P0300 is random misfire. and P0301 is #1 cyl misfire.as 2 examples.

BLOWN HEAD GASKET

hard to say without seeing it but i can tell you these are common leaking points on these vehicles.

check the fuel tank vent hose at the fill neck

Was the fuse blown? If not why replace it?You have to diagnose the horn systemPut battery voltage directly to the horn

It may be your fuel sending unit,here's a link on how to replace.Here's how to remove pump

code p1126 refers to Thermostat stuck open---- except maxima 2002 causes ---wiring---thermostat---ECT sensor code also refers to throttle motor--open circuit---maxima 2002 causes ---wiring---throttle motor---throttle motor relay--ECM. Select you vehicle and replace unit applicable to it.

more then likely a bad connection on the switch or motor. pull out switch and look for signs of corrosion. they get wet from rain while the window is down

Here's a link to your belt,see the adjuster.

many times the intake won,t just lift off.sometimes you must use a pry bar to lift it up.you must put the pry bar under the edge and carefully pry it loose but be careful not to break the edge.i assume you double checked to see if you missed a bolt.good luck.

The normal causes for code 300 are ignition fuel or engine mechanical.The spark could be weak at the plugs, the fuel system could be lean or the fuel pressure could be below the required limit, or the valves or other components could be affecting the performance.I would start with replacing the plugs and fuel filter if they have not been replaced in the past 12 months.

Thats because your door is out of line and when closing it,its probably not closing on the switch that should be on the inside of the pillar post were the door actually shuts on..Get the door fixed or lined up properly so it closes flush and will certainly then close on the switch that triggers the open door light :-)