89 Toyota Camry Question

[quote:aa75410616="steve39"]1989 Toyota Camry has a 2.0 fuel injected engine with 165k miles on it. I was having a problem with the car not acellerating and getting up to the proper RPMS to actually even get it to move, so I checked the exhaust and that seems ok, timing seems ok, so then I replaced the throttle control sensor near the firewall of the car on the top of the engine. RPMS seem a little better but now the car accelerates quickly and then goes back to to a very low rpm, and then starts to accelerate quickly again, over and over. ALSO I can now hear a slight knocking sound in the engine when it is doing this. How can I get this car back to normal? Its always been a good car and very dependable. HELP![/quote:aa75410616]

Look in the book and check for the correct voltages on the TPS for the closed and WOT voltages-adjust it by turning the TPS.

Also you might want to take the IACV out and clean it and bench test the MAF sensor.

[quote:1ad59b7674="rasmataz"][quote:1ad59b7674="steve39"]1989 Toyota Camry has a 2.0 fuel injected engine with 165k miles on it. I was having a problem with the car not acellerating and getting up to the proper RPMS to actually even get it to move, so I checked the exhaust and that seems ok, timing seems ok, so then I replaced the throttle control sensor near the firewall of the car on the top of the engine. RPMS seem a little better but now the car accelerates quickly and then goes back to to a very low rpm, and then starts to accelerate quickly again, over and over. ALSO I can now hear a slight knocking sound in the engine when it is doing this. How can I get this car back to normal? Its always been a good car and very dependable. HELP![/quote:1ad59b7674]

Look in the book and check for the correct voltages on the TPS for the closed and WOT voltages-adjust it by turning the TPS.

Also you might want to take the IACV out and clean it and bench test the MAF sensor.[/quote:1ad59b7674]


Thanks Doctor. Whats the IACV????

[quote:a025760886="steve39"][quote:a025760886="rasmataz"][quote:a025760886="steve39"]1989 Toyota Camry has a 2.0 fuel injected engine with 165k miles on it. I was having a problem with the car not acellerating and getting up to the proper RPMS to actually even get it to move, so I checked the exhaust and that seems ok, timing seems ok, so then I replaced the throttle control sensor near the firewall of the car on the top of the engine. RPMS seem a little better but now the car accelerates quickly and then goes back to to a very low rpm, and then starts to accelerate quickly again, over and over. ALSO I can now hear a slight knocking sound in the engine when it is doing this. How can I get this car back to normal? Its always been a good car and very dependable. HELP![/quote:a025760886]

Look in the book and check for the correct voltages on the TPS for the closed and WOT voltages-adjust it by turning the TPS.

Also you might want to take the IACV out and clean it and bench test the MAF sensor.[/quote:a025760886]


Thanks Doctor. Whats the IACV????[/quote:a025760886]



Hello Steve
IACV Its: Idle Air Control Valve

Is that the big metal piece thats connected to the air filter?

[quote:cca3872e15="steve39"]Is that the big metal piece thats connected to the air filter?[/quote:cca3872e15]

Thats The MAF Sensor (Rasmataz told you to check that too)

The IAC valve is attached to the lower portion of the throttle body.

[quote:45313b8210="fisherman"][quote:45313b8210="steve39"]Is that the big metal piece thats connected to the air filter?[/quote:45313b8210]

Thats The MAF Sensor (Rasmataz told you to check that too)

The IAC valve is attached to the lower portion of the throttle body.[/quote:45313b8210]


OK, Ill check it out, thank you!

[quote:b9da2ea4e9="steve39"][quote:b9da2ea4e9="fisherman"][quote:b9da2ea4e9="steve39"]Is that the big metal piece thats connected to the air filter?[/quote:b9da2ea4e9]

Thats The MAF Sensor (Rasmataz told you to check that too)

The IAC valve is attached to the lower portion of the throttle body.[/quote:b9da2ea4e9]


OK, Ill check it out, thank you![/quote:b9da2ea4e9] may also have a bad catalitic converter