Questions & Answers for: spark knock jeep wrangler

spark plug shot out of cylinder making knocking noise can you say rebuild or new motor

Ad

...knock again at idle. It may be piston slap. This is caused by either engine wear with the piston bores being too large for the pistons, or by poor manufacturing tolerances, or a combination of both. ...

Ad

...knock sensor and PCM (powertrain control module). The engine relies on the ignition spark to be delivered to the combustion camber at the correct time. If the ignition spark stops or is delivered at ...

Question about 2010 Wrangler 3.8

2 Answers

...Spark Knock (Detonation) caused by an inoperative EGR valve, overadvanced ignition timing, engine overheating, carbon buildup in the combustion chambers, or low octane fuel.Hope this helps; also keep ...

Question about 1990 Wrangler

2 Answers

...spark. use the jumper wire and read out the DTC codes. first. using the diagnostic jumper , shown in the FSM. http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service Cadaver is ...

...spark now? on all on all cylinders, yes, then test fuel works now, (DIY simple test for $1) runsfor 3seconds and stops? if it dont crank over , fast, do say so now. or first best. if the ASD relay ...

Not finding what you are looking for?

Ask a Question

Usually answered in minutes!

Popular Products

Top Cars & Trucks Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

john h

Level 3 Expert

29494 Answers

Arnie Burke
Arnie Burke

Level 3 Expert

7339 Answers

Are you a Cars & Trucks Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...