TCF Help & Suggestion Center Need help with Toyota Camry Forums? Ask. Have a suggestion to better TCF? Tell us here.

1999 Camry rough idle, randomly stalling, and hard start occasionally

Old 05-06-2019, 12:47 PM
Junior Member
Thread Starter
Join Date: May 2019
Posts: 1
Angry 1999 Camry rough idle, randomly stalling, and hard start occasionally

I have a 1999 Toyota Camry LE California emission 4 cylinder with 198335 miles on it. Almost every time I start the car it will always jump to a high idle at or above 2000 rpms. (Note this only happens if the car has been sitting for an hour or so). Sometimes it will be difficult to start where you have to turn the key for a while for it to turn over, but it will slowly start to climb in rpm but you have to hold the accelerator down for a few seconds to keep it running. With the rough idle after a minute or two, it will smooth out. the car will stall sometimes while the vehicle has a rough idle or randomly on the road at a stop. The IAC valve was replaced, throddy body and sensor were cleaned, a new 02 sensor was installed, a new EGR vacuum solenoid was installed, and the electrical for all the 02 sensors was checked. every now and then while it's at a rough idle the ECM will have the code P1130 pending but when the car smooths out it, it's no longer pending. some people suggested the fuel pump but it runs just fine after a few minutes. Any advice?
Old 05-07-2019, 10:13 AM
Super Moderator
Join Date: Jan 2008
Location: PTW
Posts: 11,691

Make sure the EGR if off (valve closed) at idle.

You checked 02 sensor heater resistance?

Fuel issues can cause this code. Have you checked for excess pressure bleed down when engine off?

How about IAT sensor?
Old 05-29-2019, 09:43 PM
Junior Member
Join Date: May 2019
Posts: 4

Have you found the problem? I have an 01 with the exact same issue.

new IAC

thermostat and coolant temp sensor less than a year old.
I ran voltage check on temp sensor and harness as well as throttle position sensor last night (all readings)

seamfoamed gas treatment and throttle body and cleaned around the throttle

new spark plugs, wires and ignition coils

new purge solenoid ( the nozzle was broken off where the hose connects)

new Egr module

i have run out of things to check. Any suggestions
Related Topics
Thread Starter
Last Post
General Tech
06-03-2011 10:25 PM
General Tech
03-24-2011 02:41 PM
General Tech
08-07-2010 09:08 AM
General Tech
05-21-2009 12:40 AM

Thread Tools
Search this Thread
Quick Reply: 1999 Camry rough idle, randomly stalling, and hard start occasionally

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.