Question about 1992 Toyota Camry V6

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Timing is apparntly too advanced no matter how the distributor is set yet runs rougher when turned back.

-Everything was lined up properly on the timing belt with the cooresponding marks.
-Yet the timing shows at least from 60-90 advanced or more with the timing light.
-The T-belt was positioned to align with the marks for the cams and crank and the rotor on the distributor was pointing to the #1 position on the distributor(the up vertical position.
-The engine pings at higher rpms no matter how the distributor is turned all the way foward or back with a high advaned timing.
What's going on and how to deal are the questions?

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The timing belt may not be installed properly, the tensioner may be bad, or, you may have forgotton to remove the pin that you should have inserted into the tensioner after squeezing it in a vice or press.

Posted on Sep 29, 2008


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If you are re-installing the distributor, the only limit on where the vacuum advance goes is whether you have room to rotate the distributor to the proper timing position. The really critical part is arranging it so the rotor is on the number 1 cylinder when the number 1 piston is top dead center (TDC) in the firing position. To do this, rotate the crankshaft so the timing mark on the harmonic balancer lines up with the timing mark gauge mounted on the block. Set the rotor to the number one spark plug position and install the distributor. You have a 50% chance this is correct; it could be TDC on the exhaust stroke instead of the ignition stroke. If the engine won't start, carefully remove the distributor so you maintain the rotor position, rotate the rotor shaft 180° and reinstall. Now if the engine runs you can set the timing.

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If the vacuum advance hits something before you can rotate the distributor body to the correct timing position, you'll have to shift everything around by at least one gear tooth on the cam shaft (remove the distributor, keeping the rotor in the same position inside the distributor, tweak the oil pump slot in the direction you need to rotate the distributor to get your timing space, then re-install one or two gear tooth widths away from whatever was blocking the vacuum advance).

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Double check the timing. If the timing is dead on when it starts and it runs fine that is ok. If the timing is off when it is warm then the vacuum advance is faulty or there is a vacuum leak that only occurs once everything has opened up and the motor is warm. When you set timing on these vehicles there is usually a vacuum line that runs to the Distributor assembly that needs to be plugged when setting timing. This is because it off sets the advance when setting timing. When the engine warms up the Advance opens to advance the timing to maintain time with the motor as it rev's. The higher the RPM the more vacuum that is applied to the timing in order to keep everything clear and keep things from making contact that aren't supposed to.

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1. Place the engine at top dead center.

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If the distributor can not be turned enough to align the ignition rotor with the number one TDC alignment mark on the distributor housing, or the distributor does not set properly and will not allow the installation of the spark plug wires then the distributor is not installed correctly and is most likely a tooth off and it will need to be re-installed correctly. (The distributor should set like it is shown in the firing order diagram when it is properly installed)

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How do I reset the timing on a 1994 ford ranger?

Distributorless Ignition is not adjustable However the Distributor Ignition System is
1 Place Transmission in Park on Manual (Neutral and set Park Brake
2 Ensure all accessories are off AC ,Heater, Radio, ETC...
3Connect an inductive timming light and Tach to the Engine according to manufactures instructions
4 disconnect the single wire inline spout connector or the shorting bar from the double wire spout connector( should be located near hood hinge on fenderwell drivers side small Gray plug with pc of Tape around it ) or near distributor
5 using a pc of yellow chalk laying flat onto the Crankshaft harmonic balancer and marking the entire timing marks area this will make it easier to see the correct timing marks
6 Start engine and bring to normal operating temp.
7 Check Idle speed and adjust if needed this should be non adjustable on your vehicle
8 Check initial timing by aiming the timing light at the marks and pointer.see emissions label under hood for exact timing Specs.
9 if the marks don't line up shut down engine
10 loosen the hold-down bolt on the distributor base but not so much that the distributor turns when assistant restarts the engine
11 restart engine
12 have assistant aim timing light at marks and pointer
13 while holding the distributor Base Shaft with the proper sized wrench at the base or insulated channelocks loosen the hold down bolt and advance or ****** the distributor until the correct timing marks line up.hold in that position while assistant shuts engine off
(NOTE) when retightening the distributor bolt it can have the tendancy to turn the distributor
14 retighten the distributor bolt while holding the shaft firmly to prevent spinning
15have assistant restart engine
16 Verify that the timing marks still line up with pointer if non alignment , readjust using steps 9 thru14 again
17 once it is set correctly and bolt is tight on distributor base shut down engine. Reconnect in-line Spout Connector or reinstall inline spout shorting bar and assure that timing is advancing beyond initial settings by starting the engine and aiming at the timing marks when engine is slightly reved the timing should advance slightly 2-4 degrees maybe more depending on mileage
18 if timing can't be achieved because distriburor was removed you must
1 unhook coil wire
2 remove the #1 Sparkplug verify that the #1 piston is at the top of the compression stroke (must be on top compression stroke) if it isnt have assistant crank engine slightly to get close with coil wire unplugged. DO NOT turn the crankshaft backwards at any time to get piston into position 3 once piston is in position remove the battery cables, remove the distributor cap with wires intact and verify that the rotor cap is at center of the #1 point in the distributor cap if it isn't
4 loosen & remove the distributor bolt
5 lift the distributor only slightly enough to disengage the gear on the shaft from the camshaft gear (NOTE) when letting it back down into the engine it will spin the rotor off of the #1 position so it must be turned far enough to compensate for this turning when it is reinstalled
6 seat the distributor shaft in the hole and reinstall the retainer bolt and tighten then use the steps above to fine tune the timing

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