20 Most Recent Hyundai Motor 1998 Sonata - Page 8 Questions & Answers

I recently tried the DIY service and repair manuals from a website and it actually helped me repair transmission problem in my jcb 3cx site-master. It would'nt move forward or reverse, engine was good both solenoids for forward and reverse worked, but still couldn't diagnose the problem. I don't have much technical knowledge but I just followed it step-wise, and now it works perfect! covers wiring, codes, diagrams, torque specs, PCV, everything got it from www.reliable-store.com

It depends on which engine is in the vehicle. The 2004 Sonata came with two possible powertrains -- the 2.4 Lit L4, and the 2.7 Lit V6.

On the 4 cylinder engine, there are two coil packs and two ignition wires, Below each coil pack is a spark plug (#2 and #4 cylinders). The wire from # 2 coil pack goes to #3 spark plug, and the wire from #4 coil pack goes to #1 spark plug.

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Now the 2.7 Lit V6 requires you remove the surge tank (intake manifold) in order to access the spark plugs & wires on Bank 1 (Right Hand side of the engine).

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You have a short somewhere in the instrument cluster

These codes are not usually related. P0171 is usually due to intake leak downstream of the maf sensor. P0340 could be the sensor or the connector/harness.

try checking the connector. It is pretty common for the spade lugs that connect get corroded. Make sure there is no corrosion or clean them off and squeeze then together a little to make the connection tighter. If that does not help, verify if the high beam works or if the problem is only the LOW beam. If you have handy a multimeter, check for +12V on that connectors.

It does.

I think the Fuse melted away and is blown .

Not likely. A timing belt out of whack means the valves are no longer synchronized with the pistons and intake and exhaust are reduced in effectiveness and efficiency. Before spending that kind of money on a car that age I would have another mechanic look at it. Could turn out to be a fix that would extend the life of the car several years.

Could be bad belts in tire or tires. Pulling to right especially under load is pretty common on front wheel drives.

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