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2.9 pinging after new rebuild


mihulka3

Active Member
Joined
Nov 17, 2009
Messages
40
Transmission
Automatic
Do the 88 Rangers come with a knock sensor? It has a low oil sensor in the pan which we replaced. Going to recheck the timing and replace the fuel filter(s) tomorrow. I broke the Cardinal rule and left gas in the truck for the 1 1/2 years it sat. Did put stabilizer in it and not much gas was in truck. Put fresh gas into tank after rebuild. Truck starts fine etc. but pings on hills which it never did before new engine. :bawling:
 
Recheck the ignition timing. Should be 10 degrees BTDC with the SPOUT unplugged. Don't forget to plug it back in.

Did your truck come with EGR? Did you make sure it still works?

Are the spark plugs the correct type?

Did you check your air blend door for proper functioning?
 
No EGR or knock sensor. If it's really pinging, base idle is off or could be poor fuel pressure/lack of fuel. Could also be hearing an exhaust leak. Do you have a CEL present when this happens? Wouldn't hurt to change fuel filter and check fuel pressure. Make sure you got all vacuum lines and connectors put back into place.
 
Timing 35 BTDC

Found the issue with the pining. My shade tree mechanic friend had manually adjusted the distributor without using a timing light/pulling the spout.
Adjusted to 10deg/TDC and put in new O2 sensor and fuel filter. Fuel pressure good. Seems to run good. No more pinging.
 
Timing 35 BTDC

Found the issue with the pining. My shade tree mechanic friend had manually adjusted the distributor without using a timing light/pulling the spout.
Adjusted to 10deg/TDC and put in new O2 sensor and fuel filter. Fuel pressure good. Seems to run good. No more pinging.
 

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