Toyota Sienna Engine

Browse Toyota Sienna Engine questions and answers. Choose a question that matches your symptoms.

171 discussions


2005 Toyota Sienna Lean Mixture

2005 TOYOTA SIENNA
I Am Testing And Bought A Gas Saver And It Is Connected From The Brake Booster To Engine Intake. After 4 Months With Gas Saving Check Engine...
4 ANSWERS
Asked by rotciv79

2005 Toyota Sienna Fuel Economy

2005 TOYOTA SIENNA
Would Cars Get Significantly Better Fuel Economy, If They Had Sails Or Wind Power On Them?
1 ANSWER
Asked by albericht

Yesterday My Van Would Not Start, Or Crank Over?

2004 TOYOTA SIENNA
Yesterday My Van Would Not Start, Or Crank Over. Does Not Click (sound) When You Turn The Key. Lights And Electrical Work. Battery Tested To...
2 ANSWERS
4 IMAGES
Asked by Oates24

Overheats Only When Idling

2004 TOYOTA SIENNA
If I Rev It Up Or Drive It Around It Won't Overheat. I Checked Both Radiator Hoses And They're Both Cold Enough To Hold And Fans Do...
3 ANSWERS
16 IMAGES
Asked by Ruben541x13

Not Cranking Over

2004 TOYOTA SIENNA
It Started A Couple Of Months Ago. Would Just Not Start. Tap The Starter A Few Times Boom It Was Fine. Would Go Anywhere From A Few Days To...
1 ANSWER
7 IMAGES
Asked by Arayanna

Fan Not Working Properly And Van Is Overheating

2004 TOYOTA SIENNA
The Fan Works When I Put On The A/c, But When The A/c Is Off My Fan Wont Work And My Car Overheats. Don't Know What It My Be. I Checked...
1 ANSWER
Asked by david33463

Overheating

2004 TOYOTA SIENNA
Inlet Pipe That Goes Back To Engine From Lower Radiator Hose Broke And I Replaced. While Housing Was Off Thermostat Was Right There So I...
1 ANSWER
Asked by Kenero

Starter Relay Location

2004 TOYOTA SIENNA
Will Not Start, Or Crank Over. Lights And Electrical Work. Battery Tested To Be At 12.3 Volts. No Issues With Starter. Thinking It May Be...
5 ANSWERS
1 IMAGE
Asked by RenaV

Not Starting

2004 TOYOTA SIENNA
My Vehicle Will Not Start.
2 ANSWERS
Asked by Judy Jurs

Sienna Transmission Not Pulling When Warm?

2004 TOYOTA SIENNA
We Had To Put A New Engine In The Vehicle And Once The Engine Was Put In And The Mechanic Drove It Down The Road It Would Drive Just Fine...
3 ANSWERS
5 IMAGES
Asked by mcphersonpk08

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