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Oil Pressure Test

WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
OIL PRESSURE TEST REFERENCE CHART

Step Action Value(s) Yes No
1 Is low or no oil pressure indicated? - Go to Step 2 System OK
2 Check the oil level in the crankcase.
Is the level low?
- Go to Step 3 Go to Step 4
3 Add oil so that the oil level is up to the full mark on the indicator.
Is the repair complete?
- Go to Step 1 -
4 Check the idle speed.
Is the idle speed below the value specified?
670 rpm Go to Step 5 Go to Step 6
5 Increase the idle speed.
Is the speed increased?
- Go to Step 1 -
6 Inspect the oil pressure switch.
Is the oil pressure switch incorrect or malfunctioning?
- Go to Step 7 Go to Step 8
7 Install a new oil pressure switch.
Is the repair complete?
- Go to Step 1 -
8 Inspect the oil pressure gauge on the cluster.
Is the oil pressure gauge incorrect or malfunctioning?
- Go to Step 9 Go to Step 10
9 Install a new oil pressure gauge.
Is the repair complete?
- Go to Step 1 -
10 Inspect the engine oil.
Is the engine oil in the crankcase diluted or of the improper viscosity?
- Go to Step 11 Go to Step 12
11 Install new engine oil of the proper viscosity for the expected temperatures.
Is the repair complete?
- Go to Step 1 -
12 Inspect the oil pump.
Is the pump worn or dirty?
- Go to Step 13 Go to Step 14
13 Replace the oil pump.
Is the repair complete?
- Go to Step 1 -
14 Inspect the oil filter.
Is the oil filter plugged?
- Go to Step 15 Go to Step 16
15 Install a new oil filter.
Is the repair complete?
- Go to Step 1 -
16 Inspect the oil pickup screen.
Is the oil pickup screen loose or plugged?
- Go to Step 17 Go to Step 18
17 Tighten or replace the oil pickup screen as necessary.
Is the repair complete?
- Go to Step 1 -
18 Inspect the oil pickup tube.
Are there any holes in the oil pickup tube?
- Go to Step 19 Go to Step 20
19 Replace the oil pickup tube.
Is the repair complete?
- Go to Step 1 -
20 Inspect the bearing clearances.
Are the bearing clearances more than the values specified?
Crankshaft 0.019 - 0.049 mm (0.00075 - 0.00193 in.)
Connecting Rod 0.031 - 0.065 mm (0.00122 - 0.00256 in.)
Go to Step 21 Go to Step 22
21 Replace the bearing, if necessary.
Is the repair complete?
- Go to Step 1 -
22 Inspect the oil galleries.
Are the oil galleries cracked, porous, or plugged?
- Go to Step 23 Go to Step 24
23 Repair or replace the engine block.
Is the repair complete?
- Go to Step 1 -
24 Inspect the gallery plugs.
Are any of the gallery plugs missing or installed properly?
- Go to Step 25 Go to Step 26
25 Install the plugs or repair as necessary.
Is the repair complete?
- Go to Step 1 -
26 Inspect the camshaft.
Is the camshaft worn or is there evidence of poor machining?
- Go to Step 27 System OK
27 Replace the camshaft.
Is the repair complete?
- Go to Step 1 -