1998 nissan frontier stalls at 2000rpms

I got this free Pdf manual from reliable-store for free and I don't think Ive visited a mechanic or fixya for help for more than 3-4 times out of the 20 times I fixed the chipper in these 4 years

When it fails, test for spark at plugs and fuel pressure. Could be ignition module, ignition switch, loose ground, other.

Depending on the sub-model, 2005 - 2012 versions *can* fit. Look for yours in the list below:

• Fit note: Crew Cab Pickup, Extended Cab Pickup

This product fits the following Nissan Frontier submodels

• 2013-2013: Desert Runner; 6 Cyl 4.0L;
• 2011-2013: S; 4 Cyl 2.5L;
• 2011-2013: SL; 6 Cyl 4.0L;
• 2011-2013: SV; 4 Cyl 2.5L;
• 2011-2013: SV; 6 Cyl 4.0L;
• 2009-2013: PRO-4X; 6 Cyl 4.0L;
• 2011-2012: S; 6 Cyl 4.0L;
• 2008-2010: SE; 4 Cyl 2.5L;
• 2005-2010: LE; 6 Cyl 4.0L;
• 2005-2010: SE; 6 Cyl 4.0L;
• 2005-2010: XE; 4 Cyl 2.5L;
• 2005-2008: Nismo Off-Road; 6 Cyl 4.0L;

When calling to inquire or order - tell them the year, make, model (S, SL, SV, LE, SE, XE, etc.) Cab type (crew, extended, etc.) before paying. Have a look at the link below.

2005 2012 Nissan Frontier Tail Light Replacement Driver Side...

To review - - do you know for a fact the distributor is firing that cylinder? And do you have power and a ground pulse for that injector ?
You say no vac leak, but have you done a compression test on all cylinders ? Is it possible the egr valve is leaking and affecting that cylinder ?

You may have a faulty instrument cluseter. Have a service station test the panel for faults.

Timing belt

Including filter; the oil capacity for a 2WD, 2000, Nissan, Frontier, 4cyl (Ka24de) is 3-3/4 quarts. Straight out of the Haynes manual.

Check both positive and negitive cables and make sure that they are still intacked and that there is no corotion on the connection.

It should be 5 Quartz. Get 6 to be sure.